APA (7 ম সংস্করণ) উদ্ধৃতি

Farming Systems Programme (Botswana) & Norman, D. W. (1994). Farming systems research approach: A primer for eastern and southern Africa. Farming Systems Programme.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Farming Systems Programme (Botswana) এবং D. W. Norman. Farming Systems Research Approach: A Primer for Eastern and Southern Africa. Gaborone, Botswana: Farming Systems Programme, 1994.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Farming Systems Programme (Botswana) এবং D. W. Norman. Farming Systems Research Approach: A Primer for Eastern and Southern Africa. Farming Systems Programme, 1994.