马永佳. 年轮城的秘密: Secrets of the tree-ring city. 河北少年儿童出版社.
Lua i Stíl Chicago (17ú heag.)马永佳. 年轮城的秘密: Secrets of the Tree-ring City. 河北少年儿童出版社.
Lua MLA (8ú heag.)马永佳. 年轮城的秘密: Secrets of the Tree-ring City. 河北少年儿童出版社.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.