Cita APA (7a ed.)
Ahenkorah, Y., Dowuona, G., & Owusu-Bennoah, E. (1995). Sustaining soil productivity in intensive African agriculture. Technical Centre for Agricultural and Rural Cooperation.
Cita Chicago Style (17a ed.)
Ahenkorah, Y., G.N.N Dowuona, y E. Owusu-Bennoah. Sustaining Soil Productivity in Intensive African Agriculture. Technical Centre for Agricultural and Rural Cooperation, 1995.
Cita MLA (9a ed.)
Ahenkorah, Y., et al. Sustaining Soil Productivity in Intensive African Agriculture. Technical Centre for Agricultural and Rural Cooperation, 1995.
Precaución: Estas citas no son 100% exactas.