Kripal, J. J. (2007). The serpent's gift: Gnostic reflections on the study of religion. University of Chicago Press.
Chicago Style (17th ed.) ZitazioaKripal, Jeffrey J. The Serpent's Gift: Gnostic Reflections on the Study of Religion. Chicago: University of Chicago Press, 2007.
MLA (9th ed.) ZitazioaKripal, Jeffrey J. The Serpent's Gift: Gnostic Reflections on the Study of Religion. University of Chicago Press, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.