Gardner, Robert C. <br/><br/>
Attitudes and motivation in second-language learning / 
Robert C. Gardner, Wallace E. Lambert. 
 - Rowley, Mass. :  Newbury House,  c1972. 
 - 316 p. 
<br/><br/><label>ISBN: </label>9120660901 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Second language acquisition.<br/>English language--Study and teaching--Foreign speakers--Psychological aspects.<br/>Language and languages--Study and teaching--Psychological aspects.