Langworthy, Robert H. <br/><br/>
Policing in America :  a balance of forces / 
Robert H. Langworthy, Lawrence F. Travis III. 
 - 2nd ed. 
 - Upper Saddle River, N.J. :  Prentice Hall,  c1999. 
 - xx, 460 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>0136462170 (hardcover) 
<br/><br/><label>LCCN: </label>98025251  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Police--United States.<br/>Law enforcement--United States.
<br/><br/><label>LC Class. No.: </label>HV8138  / .L277 1999 
<br/><br/><label>Dewey Class. No.: </label>363.2/0973