APA (7th ed.) Citation

谢智慧. (2019). 约定: Promise. 青岛出版社.

Chicago Style (17th ed.) Citation

谢智慧. 约定: Promise. 青岛出版社, 2019.

MLA (8th ed.) Citation

谢智慧. 约定: Promise. 青岛出版社, 2019.