Não informado. (1968). Tropical agriculture research series. Ministry of Agriculture, Forestry and Fisheries, Tropical Agriculture Research Center.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Tropical Agriculture Research Series. Tokyo: Ministry of Agriculture, Forestry and Fisheries, Tropical Agriculture Research Center, 1968.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Tropical Agriculture Research Series. Ministry of Agriculture, Forestry and Fisheries, Tropical Agriculture Research Center, 1968.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.