Human societies :  an introduction to sociology / 
Geoffrey Hurd ... [et al.]. 
 - London :  Routledge & Kegan Paul,  1973. 
 - 222 p. 
<br/><br/><label>ISBN: </label>0710076126 
<br/><br/><label>Encabezamiento--Tema: </label><br/>Sociología