The Encyclopedia of language and linguistics.  Volume 9 / 
R.E. Asher, editor-in-chief ; J.M.Y. Simpson, coordinating editor 
 - Oxford New York :  Pergamon Press,  1994 
 - 10 v. (xlvii, 5644 p.) :  ill. ;  31 cm 
<br/><br/><label>ISBN: </label>0080359434 (set) 
<br/><br/><label>Subjects--Index Terms: </label>Bách khoa thư Ngôn ngữ học 
<br/><br/><label>Dewey Class. No.: </label>403  / ENC(9) 1994