Leroux, G. (1991). The phantom of the opera. Warner Books.
Chicago Style aipamenaLeroux, Gaston. The Phantom of the Opera. New York: Warner Books, 1991.
MLA aipamenaLeroux, Gaston. The Phantom of the Opera. Warner Books, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.