Citazione APA

Johnson, D. T. (1970). Business of Farming: A guide to farm business management in the tropics (2.). Mac Millan Publishers.

Stile di citazione Chicago

Johnson, David T. Business of Farming: A Guide to Farm Business Management in the Tropics. 2. London: Mac Millan Publishers, 1970.

Citazione MLA

Johnson, David T. Business of Farming: A Guide to Farm Business Management in the Tropics. 2. Mac Millan Publishers, 1970.