12. Reflexive language: reported speech and metapragmatics Cambridge ; Cambridge University Press, c1993. ENG486
13. Politeness: some universals in language usage Brown, Penelope. Cambridge [Cambridgeshire] ; Cambridge University Press, 1987. ENG486
14. Pragmatics Levinson, Stephen C. Cambridge [Cambridgeshire] ; Cambridge University Press, 1983. ENG486
