Cita APA (7a ed.)
International Conference on Soil Conservation and Management in the Humid Tropics, Ibadan, Nigeria, International Institute of Tropical Agriculture, Agricultural Research Council of Nigeria, Greenland, D. J., & Lal, R. (1977). Soil conservation and management in the humid tropics. Wiley.
Cita Chicago Style (17a ed.)
International Conference on Soil Conservation and Management in the Humid Tropics, Ibadan, Nigeria, International Institute of Tropical Agriculture, Agricultural Research Council of Nigeria, D. J. Greenland, y R. Lal. Soil Conservation and Management in the Humid Tropics. New York: Wiley, 1977.
Cita MLA (9a ed.)
International Conference on Soil Conservation and Management in the Humid Tropics, Ibadan, Nigeria, et al. Soil Conservation and Management in the Humid Tropics. Wiley, 1977.
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