APA (7th ed.) Zitazioa
Barber, C. J. (1982). Introduction to theological research. Moody Press.
Chicago Style (17th ed.) Zitazioa
Barber, Cyril J. Introduction to Theological Research. Chicago: Moody Press, 1982.
MLA (9th ed.) Zitazioa
Barber, Cyril J. Introduction to Theological Research. Moody Press, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.