Rivers, Wilga M. <br/><br/>
Speaking in many tongues :  essays in foreign-language teaching / 
Wilga M. Rivers. 
 - 3rd ed. 
 - Cambridge, UK ;  New York :  Cambridge University Press,  c1983. 
 - xiii, 258 p. :  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Study and teaching.
<br/><br/><label>Dewey Class. No.: </label>418  / .007