马永佳. 年轮城的秘密: Secrets of the tree-ring city. 河北少年儿童出版社.
Chicago Style (17th ed.) Citation马永佳. 年轮城的秘密: Secrets of the Tree-ring City. 河北少年儿童出版社.
MLA引文马永佳. 年轮城的秘密: Secrets of the Tree-ring City. 河北少年儿童出版社.
警告：這些引文格式不一定是100％准確.
APA引文