APA (7th ed.) Zitazioa
Ladd, G. E. (1972). A commentary on the Revelation of John. William B. Eerdmans Publishing Company.
Chicago Style (17th ed.) Zitazioa
Ladd, George Eldon. A Commentary on the Revelation of John. Michigan: William B. Eerdmans Publishing Company, 1972.
MLA (9th ed.) Zitazioa
Ladd, George Eldon. A Commentary on the Revelation of John. William B. Eerdmans Publishing Company, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.