Essentials of human sexuality / 
Rathus Spencer A ...[et al.]. 
 - Toronto :  Pearson Education ,  2002 
 - 452 p. :  ill. ; 
<br/><br/> Includes index  
<br/><br/><label>ISBN: </label>0205316824 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sex
<br/><br/><label>LC Class. No.: </label>RC 454 .N468 2005