Brown, H. Douglas,  1941- <br/><br/>
Principles of language learning and teaching / 
H. Douglas Brown. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1980. 
 - xi, 276 p. :  ill. ;  23 cm. 
<br/><br/> Includes indexes 
<br/><br/>Bibliogr.: p. 256-269. 
<br/><br/><label>ISBN: </label>0137092954 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Study and teaching<br/>Language acquisition