1. Universals of language usage: Politeness phenomena;Brown,1978
2. Diglossia;Ferguson;Word,1959
3. On face-work: An analysis of ritual elements in social interaction;Goffman;Psychiatry,1955
4. Forms of talk;Goffman,1981
5. On (doing) being hesitant;Good;Pragmatics Microfiche 3.2,1978