Nachmias, David, <br/><br/>
Research methods in the social sciences / 
Chava Frankfort-Nachmias and David Nachmias. 
 - 4th edition. 
 - London :  Edward Arnold,  1992. 
 - xxiii, 576 pages :  illustrations ;  23 cm. 
<br/><br/><label>ISBN: </label>0340566914 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research.<br/>Social science--Methodology.