Sources

**Bibliography** **:)** Paper: 1. Bellis, Mary. __History of Vending Machines.__ 2010. 12 January 2010 . 2. How Stuff Works Inc. __How Stuff Works.__ 2010. 12 January 2010 . 3. Inc., Yahoo. __Ask Yahoo.__ 2010. 12 January 2010 . Website:  [|4.] [|bp.blogspot.c] [|om/.../] s320/credit-car ds.jpg 5 .  [|www.gis.co.uk/p roducts/] vendingmodule.j pg 6. []