Buonaiuti, E., & Cowell, E. (1924). Gnostic fragments. Williams and Norgate.
Lua i Stíl Chicago (17ú heag.)Buonaiuti, Ernesto, agus E. Cowell. Gnostic Fragments. London: Williams and Norgate, 1924.
Lua MLA (8ú heag.)Buonaiuti, Ernesto, agus E. Cowell. Gnostic Fragments. Williams and Norgate, 1924.
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