Backstrom, Peter C. <br/><br/>
Language of Northern Areas /  
Peter C. Backstrom 
 - Islamabad :  National Institute of Pakistan Studies,  1992. 
 - 417 p. ; 
<br/><br/><label>ISBN: </label>969-8023-12-7 
<br/><br/><label>Dewey Class. No.: </label>306.44065491  / BAC