MLA

Chao Yuen Ren - 赵元任. A Grammar of Spoken Chinese. 北京: 商务印书馆, 2017.

APA

Chao Yuen Ren - 赵元任, C. Yuen Ren - 赵元任. (2017). A Grammar of Spoken Chinese. 北京: 商务印书馆.

Chicago

Chao Yuen Ren - 赵元任, A Grammar of Spoken Chinese. 北京: 商务印书馆, 2017.