Crystal, David , 1941- Davy, Derek <br/><br/>
Advanced conversational English 
David Crystal, Derek Davy. 
 -  Longman London  1975  1975 
 - x, 132 p. ;22 cm. 
 - Applied linguistics and language study .
<br/><br/> Label on p. [i]: Distributed in the U.S.A. by Longman, New York  Bibliography: p. [129] 
<br/><br/><label>ISBN: </label>0582550742 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language - Study and teaching - Foreign speakers<br/>English language - Conversation and phrase books<br/>English language - Spoken English--PE
<br/><br/><label>LC Class. No.: </label>PE1128.A2C77