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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিTechnical Centre for Agricultural and Rural Cooperation (Ede, Netherlands), International Institute of Tropical Agriculture, Workshop on "Biotechnology: Enhancing Research on Tropical Crops in Africa", এবং G. Thottappilly. Biotechnology: Enhancing Research on Tropical Crops in Africa. Wageningen, Netherlands : Ibadan, Nigeria: Technical Centre for Agricultural and Rural Cooperation ; International Institute of Tropical Agriculture, 1992.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিTechnical Centre for Agricultural and Rural Cooperation (Ede, Netherlands), et al. Biotechnology: Enhancing Research on Tropical Crops in Africa. Technical Centre for Agricultural and Rural Cooperation ; International Institute of Tropical Agriculture, 1992.