Hughes, T. (1964). How the whale became. Atheneum.
Chicago Style aipamenaHughes, Ted. How the Whale Became. New York: Atheneum, 1964.
MLA aipamenaHughes, Ted. How the Whale Became. Atheneum, 1964.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.