Ladefoged, Peter <br/><br/>
A phonetic study of west African languages: an auditory-instrumental survey 

 - 2nd ed 
 - Cambridge  Cambridge University Press  1968 
 - xviii, 74 p. 16 plates, illus., map. 26 cm 
<br/><br/> Bibliography: p. 67-70 
<br/><br/><label>ISBN: </label>9780521116237 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Africa, West - Languages<br/>African languages - Phonology
<br/><br/><label>Dewey Class. No.: </label>496 LAD