Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.