Authority and social work  concept and use 
ed. by Shankar A. Yelaja.  
 - Toronto  University of Toronto Press  1971.  
 - 309 S. 
<br/><br/><label>ISBN: </label>0802017126 (cloth) 0802020488 (paper) 9780802017123 (cloth) 9780802020482 (paper) 
<br/><br/><label>Subjects--Index Terms: </label>Authority Social service