Simmonds, N. W. (1985). Farming systems research. Washington, D.C: The World Bank.
Style de citation ChicagoSimmonds, Norman W. Farming Systems Research. Washington, D.C: The World Bank, 1985.
Style de citation MLASimmonds, Norman W. Farming Systems Research. Washington, D.C: The World Bank, 1985.
Attention : ces citations peuvent ne pas être correctes à 100%.