Cita APA (7a ed.)
Phillip, D., Nkonya, E. M., Pender, J. L., & Oni, O. A. (2009). Constraints to increasing agricultural productivity in Nigeria. International Food Policy Research Institute.
Cita Chicago Style (17a ed.)
Phillip, Dayo, Ephraim M. Nkonya, John L. Pender, y Omobowale Ayoola Oni. Constraints to Increasing Agricultural Productivity in Nigeria. International Food Policy Research Institute, 2009.
Cita MLA (9a ed.)
Phillip, Dayo, et al. Constraints to Increasing Agricultural Productivity in Nigeria. International Food Policy Research Institute, 2009.
Precaución: Estas citas no son 100% exactas.