APA (7th ed.) Zitazioa
Origen & Heine, R. E. (1989). Commentary on the Gospel according to John, books 1-10. Catholic University of America Press.
Chicago Style (17th ed.) Zitazioa
Origen eta Ronald E. Heine. Commentary on the Gospel According to John, Books 1-10. Washington, D.C.: Catholic University of America Press, 1989.
MLA (9th ed.) Zitazioa
Origen eta Ronald E. Heine. Commentary on the Gospel According to John, Books 1-10. Catholic University of America Press, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.