APA (7th ed.) Zitazioa
Hahn, . M. D. (2004). The old Willis place: A ghost story. Clarion Books.
Chicago Style (17th ed.) Zitazioa
Hahn, Mary Downing. The Old Willis Place: A Ghost Story. New York: Clarion Books, 2004.
MLA (9th ed.) Zitazioa
Hahn, Mary Downing. The Old Willis Place: A Ghost Story. Clarion Books, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.