Cita APA (7a ed.)
Zaman, S. M. H. (1987). Agronomic and environmental constraints on fertilizer effectiveness. International Food Policy Research Institute.
Cita Chicago Style (17a ed.)
Zaman, S. M. H. Agronomic and Environmental Constraints on Fertilizer Effectiveness. International Food Policy Research Institute, 1987.
Cita MLA (9a ed.)
Zaman, S. M. H. Agronomic and Environmental Constraints on Fertilizer Effectiveness. International Food Policy Research Institute, 1987.
Precaución: Estas citas no son 100% exactas.