Psychology at work 
Edited by Peter B. Warr 
 - Harmondsworth  Penguin  1971 
 - 460 p. : ill. ; 18 cm. 
<br/><br/>p. 403-444. 
<br/><br/><label>ISBN: </label>0140802843 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Work--Psychological aspects