Gaya APA

Fairbridge, R, W. (1972). The encyclopedia of geochemistry and environmental science. Vol.IV A (1972). : Pennsylvana : Hutchinson & Ross, Inc.,.

Gaya MLA

Fairbridge, Rhodes, W. "The encyclopedia of geochemistry and environmental science. Vol.IV A". 1972 : Pennsylvana : Hutchinson & Ross, Inc.,, 1972. Text.