Ullrich, Robert A. <br/><br/>
A theoretical model of human behavior in organizations :  an eclectic approach / 
Robert A. Ullrich. 
 - Morristown, N. J. :  General Leaning Press,  1972 
 - xiii, 249 p. :  illus. ;  24 cm. 
<br/><br/><label>LCCN: </label>7285771