Blalock, Hubert M. <br/><br/>
Methodology in social research, 
edited by Hubert M. Blalock, Jr. [and] Ann B. Blalock. 
 - New York,  McGraw-Hill  [c1968] 
 - 493 p.  illus.  23 cm. 
<br/><br/><label>LCCN: </label>67017197  
<br/><br/><label>LC Class. No.: </label>H62 .B58  / .B58 
<br/><br/><label>Dewey Class. No.: </label>300/.1/8