APA引文

Walker, E., Elsworth, S., & Nguyễn Văn Phước. (2001). Grammar practice for upper intermediate students (New ed.). Tp.HCM: Nxb Trẻ.

Trích dẫn kiểu Chicago

Walker, Elaine., Steve Elsworth, và Nguyễn Văn Phước. Grammar Practice for Upper Intermediate Students. New ed. Tp.HCM: Nxb Trẻ, 2001.

MLA引文

Walker, Elaine., Steve Elsworth, và Nguyễn Văn Phước. Grammar Practice for Upper Intermediate Students. New ed. Tp.HCM: Nxb Trẻ, 2001.

警告：这些引文格式不一定是100％准确.