Hagan, Frank E. <br/><br/>
Research Methods in Criminal Justice and Criminology 
/by Frank E. Hagan 
 - London:  Collier Mascmillan Publishers;  1982. 
 - xii,461p. 
<br/><br/><label>ISBN: </label>0-02-477340-9 
<br/><br/><label>Dewey Class. No.: </label>364.072  / HAG/R