Farming Systems Programme (Botswana) & Norman, D. W. (1994). Farming systems research approach: A primer for eastern and southern Africa. Farming Systems Programme.
Chicagoスタイル(17版)引用形式Farming Systems Programme (Botswana) , D. W. Norman. Farming Systems Research Approach: A Primer for Eastern and Southern Africa. Gaborone, Botswana: Farming Systems Programme, 1994.
MLA(8版)引用形式Farming Systems Programme (Botswana) , D. W. Norman. Farming Systems Research Approach: A Primer for Eastern and Southern Africa. Farming Systems Programme, 1994.
警告: この引用は必ずしも正確ではありません.