Enid Blyton. (1943). The Mystery of the Secret Room. Hodder Children's Books.
Chicagoスタイル(17版)引用形式Enid Blyton. The Mystery of the Secret Room. New York: Hodder Children's Books, 1943.
MLA(9版)引用形式Enid Blyton. The Mystery of the Secret Room. Hodder Children's Books, 1943.
警告: この引用は必ずしも正確ではありません.