Psychology at work : An introduction to industrial and organizational psychology 
Berry, Lilly M. 
 - Second edition. 
 -  McGraw-Hill.  1998 
 - 578 pages. 
0-697-20173-2
Psychology, industrial.
158.7 B45p 1998
                        0-697-20173-2
Psychology, industrial.
158.7 B45p 1998