Dyfyniad APA

Mollinedo García, N. J., & Vargas Azofeifa, I. (2020). Arsenic in soil and rocks of volcanic origin in an Aguas Zarcas area and La Palmera, nothern zone of Costa Rica.

Dyfyniad Arddull Chicago

Mollinedo García, Nancy Johana, y Ingrid Vargas Azofeifa. Arsenic in Soil and Rocks of Volcanic Origin in an Aguas Zarcas Area and La Palmera, Nothern Zone of Costa Rica. 2020.

Dyfyniad MLA

Mollinedo García, Nancy Johana, y Ingrid Vargas Azofeifa. Arsenic in Soil and Rocks of Volcanic Origin in an Aguas Zarcas Area and La Palmera, Nothern Zone of Costa Rica. 2020.

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