Cita APA (7a ed.)
Ahenkorah, Y., & Owusu-Bennoah, E. (1996). Sustaining soil productivity 2. Technical Centre for Agricultural and Rural Cooperation.
Cita Chicago Style (17a ed.)
Ahenkorah, Y., y E. Owusu-Bennoah. Sustaining Soil Productivity 2. Technical Centre for Agricultural and Rural Cooperation, 1996.
Cita MLA (9a ed.)
Ahenkorah, Y., y E. Owusu-Bennoah. Sustaining Soil Productivity 2. Technical Centre for Agricultural and Rural Cooperation, 1996.
Precaución: Estas citas no son 100% exactas.