Police operation : theory and practice 
Karen M. Hess. 
 - 3rd ed. 
 -  Wadsworth / Thomson learning,  2003 
 - xvi, 527 p. 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Law enforcement -- United States.
<br/><br/><label>Dewey Class. No.: </label>363.23 H46p 2006