MAHAPATRA, G. (1987). A textbook of geology. CBS Publishers.
Chicago Style aipamenaMAHAPATRA, G.B. A Textbook of Geology. CBS Publishers, 1987.
MLA aipamenaMAHAPATRA, G.B. A Textbook of Geology. CBS Publishers, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.