Cita APA (7a ed.)
Williams, T. O. (1997). Problems and prospects in the utilization of animal traction in semi-arid West Africa: Evidence from Niger. Elsevier.
Cita Chicago Style (17a ed.)
Williams, Timothy O. Problems and Prospects in the Utilization of Animal Traction in Semi-arid West Africa: Evidence from Niger. Elsevier, 1997.
Cita MLA (9a ed.)
Williams, Timothy O. Problems and Prospects in the Utilization of Animal Traction in Semi-arid West Africa: Evidence from Niger. Elsevier, 1997.
Precaución: Estas citas no son 100% exactas.