Roberson, Cliff <br/><br/>
Introduction to private security :  theory meets practice / 
Cliff Roberson, Michael L. Birzer 
 - Upper Saddle River, NJ :  Prentice Hall,  2010 
 - 348 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>9780205592401 0205592406 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Private security services--United States