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Cita Chicago (17th ed.)World Bank i World Bank. World Development Report 1990. Hong Kong: Published for the World Bank by Asia 2000 Ltd, 1990.
Cita MLA (9th ed.)World Bank i World Bank. World Development Report 1990. Published for the World Bank by Asia 2000 Ltd, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.