Beckford, G. L., & Beckford, G. L. (1972). Persistent poverty: Underdevelopment in plantation economies of the Third World. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBeckford, George L., और Georghe L. Beckford. Persistent Poverty: Underdevelopment in Plantation Economies of the Third World. Oxford University Press, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBeckford, George L., और Georghe L. Beckford. Persistent Poverty: Underdevelopment in Plantation Economies of the Third World. Oxford University Press, 1972.
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