Cita APA (7a ed.)
Jansen, G. (1992). Consumption of dairy products in northern Nigeria. International Livestock Centre for Africa.
Cita Chicago Style (17a ed.)
Jansen, G.P. Consumption of Dairy Products in Northern Nigeria. International Livestock Centre for Africa, 1992.
Cita MLA (9a ed.)
Jansen, G.P. Consumption of Dairy Products in Northern Nigeria. International Livestock Centre for Africa, 1992.
Precaución: Estas citas no son 100% exactas.