DuPrau, J. (2003). The city of ember (First edition.). Random House.
Chicago Style (17th ed.) ZitazioaDuPrau, Jeanne. The City of Ember. First edition. New York: Random House, 2003.
MLA (9th ed.) ZitazioaDuPrau, Jeanne. The City of Ember. First edition. Random House, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.