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.
Cita MLA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.
Atenció: Aquestes cites poden no estar 100% correctes.