Graef, Roger. <br/><br/>
Talking blues :  the police in their own words / 
Roger Graef. 
 - Londo :  Collins Harvill,  1989. 
 - 512 p., [16] p. of plates 
<br/><br/><label>ISBN: </label>0002724367 
<br/><br/><label>LCCN: </label>66061289     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Great Britain--Police.<br/>Police psychology--Case studies.<br/>Police--Attitudes.