Cita APA (7a ed.)
Panin, A., & Haen, H. d. (1989). Economic evaluation of animal traction - a comparative analysis of hoe and bullock farming systems in northern Ghana.
Cita Chicago Style (17a ed.)
Panin, A., y H. de Haen. Economic Evaluation of Animal Traction - a Comparative Analysis of Hoe and Bullock Farming Systems in Northern Ghana. 1989.
Cita MLA (9a ed.)
Panin, A., y H. de Haen. Economic Evaluation of Animal Traction - a Comparative Analysis of Hoe and Bullock Farming Systems in Northern Ghana. 1989.
Precaución: Estas citas no son 100% exactas.