Hallam, A. (1983). Great geological controversies. Oxford: Oxford University Press.
Chicago Style aipamenaHallam, Anthony. Great Geological Controversies. Oxford: Oxford University Press, 1983.
MLA aipamenaHallam, Anthony. Great Geological Controversies. Oxford: Oxford University Press, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.