Hallam, A. (1989). Great geological controversies/2nd ed (2nd ed.). Oxford University Press.
Chicago Edition CitationHallam, A. Great Geological Controversies/2nd Ed. 2nd ed. London: Oxford University Press, 1989.
Cita MLAHallam, A. Great Geological Controversies/2nd Ed. 2nd ed. Oxford University Press, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.