Root Crops Symposium Ibadan, Nigeria, International Society for Tropical Root Crops. Africa Branch, Terry, E. R., Oduro, K. A., & Caveness, F. E. (1981). Tropical root crops: Research strategies for the 1980s : proceedings of the First Triennial Root Crops Symposium of the International Society for Tropical Root Crops--Africa Branch, 8-12 September 1980, Ibadan, Nigeria. International Development Research Centre.
Style de citation Chicago (17e éd.)Root Crops Symposium Ibadan, Nigeria, International Society for Tropical Root Crops. Africa Branch, E. R. Terry, K. A. Oduro, et Fields E. Caveness. Tropical Root Crops: Research Strategies for the 1980s : Proceedings of the First Triennial Root Crops Symposium of the International Society for Tropical Root Crops--Africa Branch, 8-12 September 1980, Ibadan, Nigeria. Ottawa: International Development Research Centre, 1981.
Style de citation MLA (8e éd.)Root Crops Symposium Ibadan, Nigeria, et al. Tropical Root Crops: Research Strategies for the 1980s : Proceedings of the First Triennial Root Crops Symposium of the International Society for Tropical Root Crops--Africa Branch, 8-12 September 1980, Ibadan, Nigeria. International Development Research Centre, 1981.