Contemporary English :  Change and variation / 
Ed. by David L. Shores. 
 - Philadelphia :  Lippincott,  1972. 
 - xvi, 380 p. :  map. 
<br/><br/>Bibliogr.: p. 367-376 
<br/><br/><label>ISBN: </label>0397472072 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Variation--United States<br/>English language--Dialects--United States<br/>Sociolinguistics<br/>English Language--Study and teaching