Crystal, David <br/><br/>
What is linguistics? / 
by David Crystal. 
 - 4th ed. 
 - London ;  New York :  Edward Arnold,  1990. 
 - x, 83 p. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0-7131-6443-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Linguistics