2Grice, H, P. Logic and Conversation, In Cole, P. & Morgen,J, Syntax and Semantics, Vol. 3: Speech Acts. New York: Academic Press, 1975: 305-310.
3Leech, G. Principles of Pragmatics. London: Longman. 1983.
4Brown, P. & S. Levinson. Universals in Language Usage: Politeness Phenomena. In E.N. Goody ( ed. ). Questions and Politeness:Strategies in Social Interaction. Cambridge: Cambridge University Press.1978: 56 - 289.
