World book encyclopedia 
/ Field Enterprises Educational Corporation, 
 - Field Enterprises Educational Corporation,   1975 
 - 860p. 
<br/><br/><label>ISBN: </label>0-7166-0075-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management
<br/><br/><label>Subjects--Index Terms: </label>Encyclopedia 
<br/><br/><label>Universal Decimal Class. No.: </label>R 030.1  / K4;L5.18