APA (7th ed.) Zitazioa
Powers, B. P. (1981). Christian education handbook. Broadman Press.
Chicago Style (17th ed.) Zitazioa
Powers, Bruce P. Christian Education Handbook. Nashville, Tenn.: Broadman Press, 1981.
MLA (9th ed.) Zitazioa
Powers, Bruce P. Christian Education Handbook. Broadman Press, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.