Eldefonso, Edward. <br/><br/>
Principles of law enforcement / 
by Edward Eldefonso, Alan Coffey and Richard C. Grace. 
 - 2d ed. 
 - Wiley :  New York,  1974. 
 - xx, 455 p. :  illu. ;  23 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0471235016 
<br/><br/><label>Subjects--Topical Terms: </label><br/>.Police