Maxfield, Michael G. <br/><br/>
Research methods for criminal justice and criminology / 
Michael G. Maxfield, Earl R. Babbie. 
 - 6th ed. 
 - Belmont, CA :  Wadsworth Cengage Learning,  2011. 
 - xix, 488 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 457-473) and index. 
<br/><br/><label>ISBN: </label>9780495811695 (hbk.)  RM565.28 0495811696 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Criminal justice, Administration of--Research--Methodology.<br/>Criminology--Research--Methodology.