APA (7th ed.) Zitazioa
Barclay, O. R. (1984). Developing a christian mind. Intervasity.
Chicago Style (17th ed.) Zitazioa
Barclay, Oliver R. Developing a Christian Mind. Illinois: Intervasity, 1984.
MLA (9th ed.) Zitazioa
Barclay, Oliver R. Developing a Christian Mind. Intervasity, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.