APA (7th ed.) Zitazioa
Graham, B. (1978). Evangelism: The next ten years. Word books.
Chicago Style (17th ed.) Zitazioa
Graham, Billy. Evangelism: The Next Ten Years. Waco, Texas: Word books, 1978.
MLA (9th ed.) Zitazioa
Graham, Billy. Evangelism: The Next Ten Years. Word books, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.