Cita APA (7a ed.)
Walker, D. (1981). Livestock development in Nigeria, 1914-1979: A brief historical review. International Livestock Centre for Africa.
Cita Chicago Style (17a ed.)
Walker, D.A.W. Livestock Development in Nigeria, 1914-1979: A Brief Historical Review. International Livestock Centre for Africa, 1981.
Cita MLA (9a ed.)
Walker, D.A.W. Livestock Development in Nigeria, 1914-1979: A Brief Historical Review. International Livestock Centre for Africa, 1981.
Precaución: Estas citas no son 100% exactas.