Alvarado, A., Iturriaga, I., Smyth, J. T., Portuguez, E., & Ureña, J. M. (2008). Residual effect of phosphorus from fertilizer applied to potatoes in Andisols at Juan Viñas, Costa Rica.
Citación estilo ChicagoAlvarado, Alfredo, Isabel Iturriaga, Jot T. Smyth, Edward Portuguez, y Juan M. Ureña. Residual Effect of Phosphorus From Fertilizer Applied to Potatoes in Andisols At Juan Viñas, Costa Rica. 2008.
Cita MLAAlvarado, Alfredo, et al. Residual Effect of Phosphorus From Fertilizer Applied to Potatoes in Andisols At Juan Viñas, Costa Rica. 2008.
Precaución: Estas citas no son 100% exactas.