Crystal, David,  1941- <br/><br/>
Linguistics / 
D. Crystal. 
 - Harmondsworth :  Penguin,  1971. 
 - 267 p. ;  19 cm. 
 - (A Pelican original) ; (Pelican books) .
<br/><br/>Bibliography: p. [260] 
<br/><br/><label>ISBN: </label>0140213325 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Linguistics