Sociology  / 
John J Macionis , Linda M. Gerber 
 - 7th ed. 
 - Toronto:  Pearson Canada ,  2011 
 - xxix,654 p  color ill. 
<br/><br/><label>ISBN: </label>9780137001613 
<br/><br/><label>LC Class. No.: </label>HM586  / .M32 2011