Farming Systems Programme (Botswana) & Norman, D. W. (1994). Farming systems research approach: A primer for eastern and southern Africa. Farming Systems Programme.
Style de citation Chicago (17e éd.)Farming Systems Programme (Botswana) et D. W. Norman. Farming Systems Research Approach: A Primer for Eastern and Southern Africa. Gaborone, Botswana: Farming Systems Programme, 1994.
Style de citation MLA (8e éd.)Farming Systems Programme (Botswana) et D. W. Norman. Farming Systems Research Approach: A Primer for Eastern and Southern Africa. Farming Systems Programme, 1994.
Attention : ces citations peuvent ne pas être correctes à 100%.