Schaefer, Richard T. <br/><br/>
Sociology / 
Richard T. Schaefer. 
 - 3rd ed. 
 - New York :  McGraw-Hill,  c1989. 
 - xxii,677 p. 
<br/><br/><label>ISBN: </label>0070550913 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social problems.<br/>Sociology.