APA (7 ম সংস্করণ) উদ্ধৃতি

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.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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.