APA aipamena

Asher, M., & Peru, M. (1988). Impossible journey: Two against the Sahara. Viking Penguin.

Chicago Style aipamena

Asher, Michael, and Mariantonietta Peru. Impossible Journey: Two Against the Sahara. New York: Viking Penguin, 1988.

MLA aipamena

Asher, Michael, and Mariantonietta Peru. Impossible Journey: Two Against the Sahara. Viking Penguin, 1988.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.