Huston Smith. (1991). The world's religions. New York: HarperCollins.
Chicago Style aipamenaHuston Smith. The World's Religions. New York: HarperCollins, 1991.
MLA aipamenaHuston Smith. The World's Religions. New York: HarperCollins, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.