丁绍兰. (2009). 令孩子着迷的100个未解之谜: Top 100 amazing unsolved mysteries for children. 陕西科学技术出版社.
Chicago Style (17th ed.) Citation丁绍兰. 令孩子着迷的100个未解之谜: Top 100 Amazing Unsolved Mysteries for Children. 陕西科学技术出版社, 2009.
MLA (8th ed.) Citation丁绍兰. 令孩子着迷的100个未解之谜: Top 100 Amazing Unsolved Mysteries for Children. 陕西科学技术出版社, 2009.
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