Manheim, Jarol B.,  1946- <br/><br/>
Empirical political analysis :  research methods in political science / 
Jarol B. Manheim and Richard C. Rich 
 - 3rd ed. 
 - New York :  Longman Inc.,  1991 
 - 399 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>0801304075 
<br/><br/><label>LCCN: </label>90-035582 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political science--Research