Gerald W Olson. (1981). Soils and the environment: A guide to soil surveys and their applications. New York: Chapman and Hall.
Chicago-стиль цитированияGerald W Olson. Soils and the Environment: A Guide to Soil Surveys and Their Applications. New York: Chapman and Hall, 1981.
MLA-цитированиеGerald W Olson. Soils and the Environment: A Guide to Soil Surveys and Their Applications. New York: Chapman and Hall, 1981.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.