International bank for reconstruction and development. (1989). Sub-Saharan Africa: From crisis to sustainable growth. The World Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational bank for reconstruction and development. Sub-Saharan Africa: From Crisis to Sustainable Growth. Washington, D.C: The World Bank, 1989.
एमएलए (9वां संस्करण) प्रशस्ति पत्रInternational bank for reconstruction and development. Sub-Saharan Africa: From Crisis to Sustainable Growth. The World Bank, 1989.
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