Bilingualism and language contact / 
edited by James E. Alatis 
 - Washington, D.C. :  Georgetown University Press,  1970 
 - 374 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0878401059 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bilingualism--Congresses<br/>Languages in contact--Congresses