TY  - BOOK
AU  - Brown, Penelope and Levinson, S. C.
AU  - Brown, Penelope and Levinson, S. C.
TI  - Politeness : some universals in language usage
U1  - P0Y1 
PY  - 2007///
CY  - Cambridge
PB  - Cambridg University Press
KW  - P0Y1
ER  -