Cita APA

Kumada, K. (1987). Chemistry of soil organic matter. Tokyo: Japan Scientific Societies Press.

Chicago Style Citation

Kumada, Kyoichi. Chemistry of Soil Organic Matter. Tokyo: Japan Scientific Societies Press, 1987.

Cita MLA

Kumada, Kyoichi. Chemistry of Soil Organic Matter. Tokyo: Japan Scientific Societies Press, 1987.

Atenció: Aquestes cites poden no estar 100% correctes.