Triennial Symposium of the International Society for Tropical Root Crops Owerri, Nigeria. (1987). Tropical root crops and the African food crisis. International Development Research Centre.
芝加哥风格引文Triennial Symposium of the International Society for Tropical Root Crops Owerri, Nigeria. Tropical Root Crops and the African Food Crisis. Ottawa, Ont: International Development Research Centre, 1987.
MLA引文Triennial Symposium of the International Society for Tropical Root Crops Owerri, Nigeria. Tropical Root Crops and the African Food Crisis. International Development Research Centre, 1987.
警告：这些引文格式不一定是100％准确.