International encyclopedia of Linguistics : Vol.2  : Ethnography of Speaking-Mamfe Languages  
/ Editor of Chief William J. Frawley  
 - 2nd ed. 
 - Oxford [et al.]  Oxford University Press  2003. 
 - 550 s.   29 cm.  9J-Inter:2 
 - International encyclopedia of Linguistics .
<br/><br/><label>ISBN: </label>195139771 0195167848