Baily,P.|Farmer,D|Jones,D|Jessop,D <br/><br/>
Purchasing principles and management 

 - 7th ed. 
 -  London  Pitman 
 - vii,339p. 
<br/><br/><label>ISBN: </label>0 273 60603 4 
<br/><br/><label>LC Class. No.: </label>HF 5681.B9 B3