MLA

Wang, Li, and Jason Fan. Working Towards a Proficiency Scale of Business English Writing: a Mixed-methods Approach. Springer Singapore, 2021.

APA

Wang, L., & Fan, J. (2021). Working Towards a Proficiency Scale of Business English Writing: a Mixed-Methods Approach. Springer Singapore.

Chicago

Wang, Li, and Jason Fan. Working Towards a Proficiency Scale of Business English Writing: a Mixed-Methods Approach. : Springer Singapore, 2021.