1. Pragmatic transfer in ESL refusals;Beebe,1985
2. Politeness: Some universals in language usage;Brown,1978
3. The pronouns of power and solidarity;Brown,1960
4. An ethnolinguistic study of disapproval exchanges;D'Amico-Reisner,1985
5. I very appreciate: Expressions of gratitude by native and nonnative speakers of American English;Eisenstein;Applied Linguistics,1986