Unreached peoples : Clarifying the task / Harley Schreck and David Barrett, Editores 

 - Monrovia, CA., : MARC 
 - 302 Pag 
<br/><br/><label>ISBN: </label>0-912552-58-1 
<br/><br/><label>Dewey Class. No.: </label>G 266 S3788u