Modern sociology :  introductory readings / 
by Peter Worsley. 
 - Harmondsworth :  Penguin,  1970. 
 - 511 p. :  ill ;  20 cm. 
<br/><br/><label>ISBN: </label>0140802215 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology.<br/>Sociology--Methodology.