Hickman, T. K., & Hickman, W. M. (1992). Global purchasing: How to buy goods and services in foreign markets. Business One Irwin.
Čikaški stil citiranja (17. izdanje)Hickman, Thomas K., i William M. Hickman. Global Purchasing: How to Buy Goods and Services in Foreign Markets. Homewood, Ill.: Business One Irwin, 1992.
MLA način citiranja (8. izdanje)Hickman, Thomas K., i William M. Hickman. Global Purchasing: How to Buy Goods and Services in Foreign Markets. Business One Irwin, 1992.
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