Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.