Understanding Business : 4th ed     English 
Edited by   William G. Nickels | James M. McHugh | Susan M. McHugh   
 -  Irwin McGraw - Hill ,  1976 
 - xxxii, 128 p.:  28cm 
<br/><br/><label>ISBN: </label>02256140545 
<br/><br/><label>Gov. Doc. Class. No.: </label>RAF 176