Empirical political analysis :  quantitative and qualitative research methods / 
Craig Leonard Brians ... [et al.]. 
 - 8th ed. 
 - Boston :  Longman,  c2011. 
 - xvii, 428 p. :  ill., maps ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780205791217 (pbk. : alk. paper) 0205791212 
<br/><br/><label>LCCN: </label>2009052074 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political science--Research.<br/>Statsvetenskap--metodik
<br/><br/><label>LC Class. No.: </label>JA86  / .E57 2011 
<br/><br/><label>Dewey Class. No.: </label>320.072