Brown Penelope <br/><br/>
Politeness ; some universals in language usage 

 - London  Cambridge University Press       1987 
<br/><br/><label>Standard No.: </label>242,068 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LINGUISTICS
<br/><br/><label>Dewey Class. No.: </label>P:(Y), M7