APA (7 वां संस्करण) प्रशस्ति पत्र
Tangri, R. K. (1999). The politics of patronage in Africa: Parastatals, privatization, and private enterprise (First Africa world Press, Inc. ed.). Africa World Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Tangri, Roger K. The Politics of Patronage in Africa: Parastatals, Privatization, and Private Enterprise. First Africa world Press, Inc. ed. Trenton, N.J.: Africa World Press, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Tangri, Roger K. The Politics of Patronage in Africa: Parastatals, Privatization, and Private Enterprise. First Africa world Press, Inc. ed. Africa World Press, 1999.
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