APA (7th ed.) Zitazioa
Ward, M. (2008). Planet narnia: The seven heavens in the imagination of C.S. Lewis. Oxford University Press.
Chicago Style (17th ed.) Zitazioa
Ward, Michael. Planet Narnia: The Seven Heavens in the Imagination of C.S. Lewis. New York: Oxford University Press, 2008.
MLA (9th ed.) Zitazioa
Ward, Michael. Planet Narnia: The Seven Heavens in the Imagination of C.S. Lewis. Oxford University Press, 2008.
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