The Police :  powers, procedures and proprieties / 
edited by John Benyon & Colin Bourn with a foreword by Lord Scarman. 
 - Oxford :  Pergamon Press,  1986. 
 - 334 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0080326978 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Criminal procedure--United Kingdom.<br/>Criminal investigation--United Kingdom.