Dyfyniad APA

Saborío-Montero, A., Marín-Taylor, O., Arguedas-Sánchez, R., & Ramírez-Fallas, S. (2015). Soil chemical fertility in dairy farms of the Guanacaste volcanic mountain range, Costa Rica.

Dyfyniad Arddull Chicago

Saborío-Montero, Alejandro, Osvaldo Marín-Taylor, Randall Arguedas-Sánchez, y Sinaí Ramírez-Fallas. Soil Chemical Fertility in Dairy Farms of the Guanacaste Volcanic Mountain Range, Costa Rica. 2015.

Dyfyniad MLA

Saborío-Montero, Alejandro, Osvaldo Marín-Taylor, Randall Arguedas-Sánchez, y Sinaí Ramírez-Fallas. Soil Chemical Fertility in Dairy Farms of the Guanacaste Volcanic Mountain Range, Costa Rica. 2015.

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