Cita APA (7a ed.)
Njoroge, J. (1992). Understanding organic farming. Technical Centre for Agricultural and Rural Cooperation.
Cita Chicago Style (17a ed.)
Njoroge, John. Understanding Organic Farming. Technical Centre for Agricultural and Rural Cooperation, 1992.
Cita MLA (9a ed.)
Njoroge, John. Understanding Organic Farming. Technical Centre for Agricultural and Rural Cooperation, 1992.
Precaución: Estas citas no son 100% exactas.