Follett, K. (1998). The hammer of Eden. Crown Publishers, Pan Books.
Chicago Style aipamenaFollett, Ken. The Hammer of Eden. New York : London: Crown Publishers, Pan Books, 1998.
MLA aipamenaFollett, Ken. The Hammer of Eden. Crown Publishers, Pan Books, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.