Encyclopedia of social work. / 
By Encyclopedia Suppliment Committee, introduction by Leon Ginsberg,. 
 - 18 th edition 
 - Maryland :  NASW Press,  1990. 
 - 348 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>0871011786 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences