Rivers, Wilga M. <br/><br/>
Teaching foreign-language skills / 
Wilga M. Rivers. 
 - Chicago :  University of Chicago Press,  1968. 
 - xi, 403 p. 
<br/><br/><label>ISBN: </label>0226720969 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Languages, Modern--Study and teaching.