Gaya APA

Valantasis, R. (1991). Spiritual guides of the third century: A semiotic study of the guide-disciple relationship in Christianity, Neoplatonism, Hermetism, and Gnosticism. . Minneapolis: Minneapolis Fortress Press.

Gaya MLA

Valantasis, Richard. "Spiritual guides of the third century: A semiotic study of the guide-disciple relationship in Christianity, Neoplatonism, Hermetism, and Gnosticism. ". Minneapolis: Minneapolis Fortress Press, 1991. Buku.