Anne Digby. (1999). The Naughtiest Girl keeps a secret. Hodder Children's Books.
芝加哥风格引文Anne Digby. The Naughtiest Girl Keeps a Secret. Great Britain: Hodder Children's Books, 1999.
MLA引文Anne Digby. The Naughtiest Girl Keeps a Secret. Hodder Children's Books, 1999.
警告：这些引文格式不一定是100％准确.