Hickman, T. K., & Hickman, W. M. (1992). Global purchasing: How to buy goods and services in foreign markets. Business One Irwin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHickman, Thomas K., और William M. Hickman. Global Purchasing: How to Buy Goods and Services in Foreign Markets. Homewood, Ill.: Business One Irwin, 1992.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHickman, Thomas K., और William M. Hickman. Global Purchasing: How to Buy Goods and Services in Foreign Markets. Business One Irwin, 1992.
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