APA Citatie

Simmonds, N. W. (1985). Farming systems research. Washington, D.C: The World Bank.

Chicago Style citaat

Simmonds, Norman W. Farming Systems Research. Washington, D.C: The World Bank, 1985.

MLA citatie

Simmonds, Norman W. Farming Systems Research. Washington, D.C: The World Bank, 1985.

Let op: Deze citaties zijn niet altijd 100% accuraat.