Enid Blyton. (1943). The Mystery of the strange messages. Hodder Children's Book.
芝加哥风格引文Enid Blyton. The Mystery of the Strange Messages. Great Britain: Hodder Children's Book, 1943.
MLA引文Enid Blyton. The Mystery of the Strange Messages. Hodder Children's Book, 1943.
警告：这些引文格式不一定是100％准确.