Language surveys in developing nations :  papers and reports on sociolinguistic surveys / 
edited by Sirarpi Ohannessian, Charles A. Ferguson, and Edgar C. Polom e 
 - Arlington, Va :  Center for Applied Linguistics,  1975 
 - vi, 226 p. ;  23 cm 
<br/><br/>Bibliography: p.  221 -224 
<br/><br/><label>ISBN: </label>0872810372 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociolinguistics--Addresses, essays, lectures