余音著. (2019). 废墟花开：帝师孙家鼐与京师大学堂. 上海远东出版社.
Lua i Stíl Chicago (17ú heag.)余音著. 废墟花开：帝师孙家鼐与京师大学堂. 上海远东出版社, 2019.
Lua MLA (8ú heag.)余音著. 废墟花开：帝师孙家鼐与京师大学堂. 上海远东出版社, 2019.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)