ebrary, Inc, Björklund, P. A., & Mello, F. V. (2012). Soil organic matter: Ecology, environmental impact and management. Nova Science Publishers.
Čikaški stil citiranja (17. izdanje)ebrary, Inc, Pedro A. Björklund, i Frederick V. Mello. Soil Organic Matter: Ecology, Environmental Impact and Management. New York: Nova Science Publishers, 2012.
MLA način citiranja (9. izdanje)ebrary, Inc, et al. Soil Organic Matter: Ecology, Environmental Impact and Management. Nova Science Publishers, 2012.
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