Brown, Penelope and Levinson, S. C. <br/><br/>
Politeness : some universals in language usage 

 - Cambridge  Cambridg University Press  2007 
 - xiv,345p. 
 - Studies in International Sociolinguistics, 4 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>P0Y1
<br/><br/><label>Dewey Class. No.: </label>P0Y1  / N7