Human societies  an introduction to sociology /  [Texte imprimé] : 
Geoffrey Hurd with D. N. Ashton, R. K. Brown, P. Duncan ... [et al.] 
 - London:  Routledge and Kegan Paul,  1980 
<br/><br/>Notes bibliogr. 
<br/><br/><label>ISBN: </label>0-7100-7612-6 
<br/><br/><label>Dewey Class. No.: </label>301