OLSON, G. W. (1981). Soils and the environment: Aguide to soil surveys andtheir applications. Champman and Hall.
Čikaški stil citiranja (17. izdanje)OLSON, Gerald W. Soils and the Environment: Aguide to Soil Surveys Andtheir Applications. New York: Champman and Hall, 1981.
MLA način citiranja (9. izdanje)OLSON, Gerald W. Soils and the Environment: Aguide to Soil Surveys Andtheir Applications. Champman and Hall, 1981.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.