Lloyd, Cynthia B.,  1943- <br/><br/>
The economics of sex differentials / 
Cynthia B. Lloyd and Beth T. Niemi. 
 - New York :  Columbia University Press,  1979. 
 - xvi, 355 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0231040385 
<br/><br/><label>LCCN: </label>79009569  
<br/><br/><label>LC Class. No.: </label>HD6095 .L558  / .L558 
<br/><br/><label>Dewey Class. No.: </label>331.4/0973