Aijmer, K. 2013. Understanding pragmatic markers. Edinburgh University
Press.
Austin, J. L. 1962. How to do things with words. Oxford university press
Bach, K., & Harnish, R. M. 1979. Linguistic communication and speech acts.
MIT Press.
Blakemore, D. 1987. Semantic constraints on relevance. Oxford: Blackwell.
Blakemore, D. 1992. Understanding utterances. Oxford: Blackwell.
Blakemore, D. 2002. Relevance and linguistic meaning: The semantics and
pragmatics of discourse markers (Vol. 99). Cambridge: Cambridge university
press.
Blakemore, D. 2006. Discourse markers. The handbook of pragmatics, 221-240.
Bordería, S. P. 2006. A functional approach to the study of discourse
markers. Approaches to discourse particles, 77-100.
Brinton, L. J. 1996. Pragmatic markers in English: Grammaticalization and
discourse functions (Vol. 19). Walter de Gruyter.
Foolen, Ad, 1991. Polyfunctionality and the semantics of adversative
conjunctions. Multilingua 10 (1/2), 79–92.
Fraser, B. 1996. Pragmatic markers. Pragmatics, 6(2), 167-190.
Geis, M. L. (1995). Speech Acts and Conversational Interaction. Cambridge:
Cambridge University Press, 40 West 20th St., New York, NY 10011-4211..
Grice, H. P. 1975. " Logic and conversation" In Cole, P., and Morgan,
J.(Eds.). Syntax & Semantics, 3.
Grice, H. P.1989. Studies in the Way of Words. Harvard University Press.
Hansen, Maj-Britt Mosegaard. 1998. The function of discourse particle: A study
with special reference to spoken Standard French. Amsterdam &
Philadelphia: John Benjamins.
Heine, B. 2013. On discourse markers: Grammaticalization, pragmaticalization,
or something else?. Linguistics, 51(6), 1205-1247.
Heine, B. 2018. Are there two different ways of approaching
grammaticalization?. New Trends on Grammaticalization and Language
Change. Amsterdam, Philadelpha: Benjamins, 23-54.
Hopper, P. J., & Traugott, E. C. 2003. Grammaticalization. Cambridge University
Press.
Ifantidou, E. 2001. Evidentials and relevance (Vol. 86). John Benjamins
Publishing.
Izutsu, M. N. 2008. Contrast, concessive, and corrective: Toward a
comprehensive study of opposition relations. Journal of Pragmatics, 40(4),
646-675.
Jucker, A. H., & Ziv, Y. (Eds.). 1998. Discourse markers: Descriptions and
theory (Vol. 57). John Benjamins Publishing.
König, E. (1986). Conditionals, concessive conditionals and concessives: Areas
of contrast, overlap and neutralization. On conditionals, 229246. Cambridge:
Cambridge University Press.
Lakoff, R. 1971. If's, and's and but's about conjunction. In: Fillmore, C.J.,
Langendoen, D.T. (Eds.), Studies in Linguistic Semantics. Holt, Rinehart
and Winston, New York, pp. 114–149
Levinson, S. C. 1983. Pragmatics. Cambridge: Cambridge University Press.
Partridge, E. (2006). Origins: A short etymological dictionary of modern English.
Routledge.
Redeker, G. 2006. Discourse markers as attentional cues at discourse
transitions. Approaches to discourse particles, 1.
Schourup, L. 1999. Discourse markers. Lingua, 107(3-4), 227-265.
Searle, J. R., & Searle, J. R. 1969. Speech acts: An essay in the philosophy of
language (Vol. 626). Cambridge: Cambridge university press.
Searle, J. R. 1975. Indirect speech acts. In Speech acts (pp. 59-82). Brill.
Traugott, E. C. 1982. From propositional to textual and expressive meanings:
Some semantic-pragmatic aspects of grammaticalization. Perspectives on
historical linguistics, 245-271.