Blackstone's police manual 2011 /  Vol. 1,  Crime ; Paul Connor. 
consultant editor, Paul Connor. 
 - 13th ed. 
 - Oxford :  Oxford University Press,  2010. 
 - xli, 282p. 
<br/><br/><label>ISBN: </label>9780199591206 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Police--Great Britain.<br/>Criminal investigation--Great Britain.