APA (7th ed.) Zitazioa
O'Donoghue, N. D. (2001). The angels keep their ancient places: Reflections on Celtic spirituality. T&T Clark.
Chicago Style (17th ed.) Zitazioa
O'Donoghue, Noel Dermot. The Angels Keep Their Ancient Places: Reflections on Celtic Spirituality. Edinburgh: T&T Clark, 2001.
MLA (9th ed.) Zitazioa
O'Donoghue, Noel Dermot. The Angels Keep Their Ancient Places: Reflections on Celtic Spirituality. T&T Clark, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.