Royal Society of Chemistry (Great Britain) Information Services, International Conference on Humic Substances in Soils, Peats and Water: Implications for Plant Growth, Industry and Sustainable Environment, Meeting on the Role of Organic Matter in Sustainable Agriculture, Hayes, M. H. B., & Wilson, W. S. (1997). Humic substances in soils, peats and waters: Health and environmental aspects. Royal Society of Chemistry, Information Services.
Παραπομπή σε μορφή Chicago (17η εκδ.)Royal Society of Chemistry (Great Britain) Information Services, Peats and Water: Implications for Plant Growth International Conference on Humic Substances in Soils, Meeting on the Role of Organic Matter in Sustainable Agriculture, M. H. B. Hayes, και W. S. Wilson. Humic Substances in Soils, Peats and Waters: Health and Environmental Aspects. Cambridge: Royal Society of Chemistry, Information Services, 1997.
Παραπομπή σε μορφή MLA (9th εκδ.)Royal Society of Chemistry (Great Britain) Information Services, et al. Humic Substances in Soils, Peats and Waters: Health and Environmental Aspects. Royal Society of Chemistry, Information Services, 1997.