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.
استشهاد بنمط شيكاغوRamos 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.
MLA استشهادRamos 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.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.