Dyfyniad APA

Gordon-Mendoza, R., Franco-Barrera, J. E., & Villarreal-Núñez, J. E. (2015). Phosphorus fertilization management in corn crop, El Ejido, Panama 2004-2013.

Dyfyniad Arddull Chicago

Gordon-Mendoza, Roman, Jorge Enrique Franco-Barrera, y José Ezequiel Villarreal-Núñez. Phosphorus Fertilization Management in Corn Crop, El Ejido, Panama 2004-2013. 2015.

Dyfyniad MLA

Gordon-Mendoza, Roman, Jorge Enrique Franco-Barrera, y José Ezequiel Villarreal-Núñez. Phosphorus Fertilization Management in Corn Crop, El Ejido, Panama 2004-2013. 2015.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.