Eldefonso, Edward. <br/><br/>
Principles of law enforcement 

 - 2d ed. 
 - New York,  Wiley  [1974] 
 - xx, 455 p. 
<br/><br/><label>ISBN: </label>0471235016 
<br/><br/><label>Dewey Class. No.: </label>363.2  / ELD