Lele, U., Adu-Nyako, K., & Gockowski, J. (1994). Economics, Politics, and Ethics of Primary Commodity Development: How Can Poor Countries in Africa Benefit the Most? International Monetary Fund.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLele, Uma, Kofi Adu-Nyako, और James Gockowski. Economics, Politics, and Ethics of Primary Commodity Development: How Can Poor Countries in Africa Benefit the Most? Washington, D.C.: International Monetary Fund, 1994.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLele, Uma, et al. Economics, Politics, and Ethics of Primary Commodity Development: How Can Poor Countries in Africa Benefit the Most? International Monetary Fund, 1994.
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