Kumada, K., & Kumada, K. (1987). Chemistry of soil organic matter. Tokio: Japan Scientific Societies Press Amsterdam Elsevier.
Chicago Style CitationKumada, Kyoichi, and Kyoichi Kumada. Chemistry of Soil Organic Matter. Tokio: Japan Scientific Societies Press Amsterdam Elsevier, 1987.
MLA CitationKumada, Kyoichi, and Kyoichi Kumada. Chemistry of Soil Organic Matter. Tokio: Japan Scientific Societies Press Amsterdam Elsevier, 1987.
Warning: These citations may not always be 100% accurate.