APA (7th ed.) Zitazioa
Gershon, R. M. (1900). From opera to the mission field. Light of life.
Chicago Style (17th ed.) Zitazioa
Gershon, Rhea Marie. From Opera to the Mission Field. Missouri: Light of life, 1900.
MLA (9th ed.) Zitazioa
Gershon, Rhea Marie. From Opera to the Mission Field. Light of life, 1900.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.