Papua New Guinea Dept. of Agriculture and Livestock Bubia Agricultural Research Centre, Lowland Farming System Research Team (LFSRT), & Bubia Agricultural Research Centre. Lae. (1991). Lowlands Farming Systems Research Team (LFSRT): Annual report 1991. Bubia Agricultural Research Centre, Dept. of Agriculture and Livestock.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিPapua New Guinea Dept. of Agriculture and Livestock Bubia Agricultural Research Centre, Lowland Farming System Research Team (LFSRT), এবং Bubia Agricultural Research Centre. Lae. Lowlands Farming Systems Research Team (LFSRT): Annual Report 1991. Lae: Bubia Agricultural Research Centre, Dept. of Agriculture and Livestock, 1991.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিPapua New Guinea Dept. of Agriculture and Livestock Bubia Agricultural Research Centre, et al. Lowlands Farming Systems Research Team (LFSRT): Annual Report 1991. Bubia Agricultural Research Centre, Dept. of Agriculture and Livestock, 1991.