APA (7 ম সংস্করণ) উদ্ধৃতি

OLSON, G. W. (1981). Soils and the environment: Aguide to soil surveys andtheir applications. Champman and Hall.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

OLSON, Gerald W. Soils and the Environment: Aguide to Soil Surveys Andtheir Applications. New York: Champman and Hall, 1981.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

OLSON, Gerald W. Soils and the Environment: Aguide to Soil Surveys Andtheir Applications. Champman and Hall, 1981.