APA (7th ed.) Zitazioa

Cleaver, K. M., & Schreiber, G. A. (1994). Reversing the spiral: The population, agriculture, and environment nexus in Sub-Saharan Africa. World Bank.

Chicago Style (17th ed.) Zitazioa

Cleaver, Kevin M., eta Götz A. Schreiber. Reversing the Spiral: The Population, Agriculture, and Environment Nexus in Sub-Saharan Africa. Washington, D.C.: World Bank, 1994.

MLA (9th ed.) Zitazioa

Cleaver, Kevin M., eta Götz A. Schreiber. Reversing the Spiral: The Population, Agriculture, and Environment Nexus in Sub-Saharan Africa. World Bank, 1994.

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