Gaya APA

Langevin, M, P. (2002). Secrets of the ancient Incas: A modern approach to ancient ritual and practice. . Franklin Lakes: Franklin Lakes New Page Books.

Gaya MLA

Langevin, Michael, Peter. "Secrets of the ancient Incas: A modern approach to ancient ritual and practice. ". Franklin Lakes: Franklin Lakes New Page Books, 2002. Buku.