Cita APA (7a ed.)
Pingali, P. L. (1987). From hand tillage to animal traction: Causes and effects and the policy implications for sub-Saharan African agriculture. International Livestock Centre for Africa.
Cita Chicago Style (17a ed.)
Pingali, Prabhu L. From Hand Tillage to Animal Traction: Causes and Effects and the Policy Implications for Sub-Saharan African Agriculture. International Livestock Centre for Africa, 1987.
Cita MLA (9a ed.)
Pingali, Prabhu L. From Hand Tillage to Animal Traction: Causes and Effects and the Policy Implications for Sub-Saharan African Agriculture. International Livestock Centre for Africa, 1987.
Precaución: Estas citas no son 100% exactas.