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/><label>ISBN: </label>9780521116237 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Africa, West - Languages
<br/><br/><label>Dewey Class. No.: </label>496 LAD