APA (7th ed.) Zitazioa
(1960). Dark angels: Towards a deeper understanding of the supernatural forces in spiritual warfare. California.
Chicago Style (17th ed.) Zitazioa
Dark Angels: Towards a Deeper Understanding of the Supernatural Forces in Spiritual Warfare. Regal Books: California, 1960.
MLA (9th ed.) Zitazioa
Dark Angels: Towards a Deeper Understanding of the Supernatural Forces in Spiritual Warfare. California, 1960.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.