Sidgwick, F. (1908). Ancient carols. Sturgis & Walton.
Chicago Style aipamenaSidgwick, Frank. Ancient Carols. New York: Sturgis & Walton, 1908.
MLA aipamenaSidgwick, Frank. Ancient Carols. Sturgis & Walton, 1908.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.