APA (7th ed.) Zitazioa
Sibley, B. (1985). C.S. Lewis through the shadowlands. Fleming H. Revell.
Chicago Style (17th ed.) Zitazioa
Sibley, Brian. C.S. Lewis Through the Shadowlands. New Jersey: Fleming H. Revell, 1985.
MLA (9th ed.) Zitazioa
Sibley, Brian. C.S. Lewis Through the Shadowlands. Fleming H. Revell, 1985.
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