Dyfyniad APA

Ramos Veintimilla, R. A. (2003). Fractioning of soil organic carbon in three types of land uses on cattle farMON in San Miguel de Barranca, Puntarenas-Costa Rica.

Dyfyniad Arddull Chicago

Ramos Veintimilla, Raúl A. Fractioning of Soil Organic Carbon in Three Types of Land Uses On Cattle FarMON in San Miguel De Barranca, Puntarenas-Costa Rica. 2003.

Dyfyniad MLA

Ramos Veintimilla, Raúl A. Fractioning of Soil Organic Carbon in Three Types of Land Uses On Cattle FarMON in San Miguel De Barranca, Puntarenas-Costa Rica. 2003.

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