Höltker, G. (1948). The religions of Mexico and Peru. Catholic Truth Society.
Chicago Style aipamenaHöltker, Georg. The Religions of Mexico and Peru. London: Catholic Truth Society, 1948.
MLA aipamenaHöltker, Georg. The Religions of Mexico and Peru. Catholic Truth Society, 1948.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.