Buonaiuti, E., & Cowell, E. (1924). Gnostic fragments. Williams and Norgate.
Chicago Style aipamenaBuonaiuti, Ernesto, and E. Cowell. Gnostic Fragments. London: Williams and Norgate, 1924.
MLA aipamenaBuonaiuti, Ernesto, and E. Cowell. Gnostic Fragments. Williams and Norgate, 1924.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.