Skolnick, Jerome H. <br/><br/>
The new blue line :  Police innovation in six American cities / 
Jerome H. Skolnick and David Bayley 
 - London :  The Free press,  1986 . 
 - ix, 246 s. 
<br/><br/><label>ISBN: </label>0029293111 
<br/><br/><label>LC Class. No.: </label>HV8141 
<br/><br/><label>Dewey Class. No.: </label>363.2'0973