Blalock, Hubert M. <br/><br/>
An introduction to social research 
[by] Hubert M. Blalock, Jr. 
 - Englewood Cliffs, N.J.,  Prentice-Hall  [1970] 
 - 120 p.  23 cm. 
<br/><br/><label>ISBN: </label>013496828X 
<br/><br/><label>Dewey Class. No.: </label>300/.72