Sociology   : A Brief Introduction. 
Richard T. Schaefer , Bonnie Haaland. 
 - 3rd ed. 
 - Toronto:  McGraw-Hill Ryerson,  2009 
 - xxx,493 p.  color ill. 
<br/><br/><label>ISBN: </label>9780070764200 
<br/><br/><label>LC Class. No.: </label>HM586  / .S272 2009