APA (7th ed.) Zitazioa
Schaeffer, F. A. (1972). He is there and He is not silent. Tyndale.
Chicago Style (17th ed.) Zitazioa
Schaeffer, Francis A. He Is There and He Is Not Silent. Wheaton: Tyndale, 1972.
MLA (9th ed.) Zitazioa
Schaeffer, Francis A. He Is There and He Is Not Silent. Tyndale, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.