Sociolinguistic studies in language contact :  methods and cases / 
edited by William Francis Mackey, Jacob Ornstein. 
 - The Hague:   Mouton,   1979. 
 - 460 pages:   23 cm. 
 - Trends in linguistics. Studies and monographs  6 .
<br/><br/><label>ISBN: </label>9027978662 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Languages in contact--Addresses, essays, lectures.<br/>Sociolinguistics--Addresses, essays, lectures.