Walker, E., Elsworth, S., & Nguyễn Văn Phước. (2001). Grammar practice for pre - intermediate students. Tp.HCM: Nxb Trẻ.
Chicago Style CitationWalker, Elaine., Steve Elsworth, i Nguyễn Văn Phước. Grammar Practice for Pre - Intermediate Students. Tp.HCM: Nxb Trẻ, 2001.
Cita MLAWalker, Elaine., Steve Elsworth, i Nguyễn Văn Phước. Grammar Practice for Pre - Intermediate Students. Tp.HCM: Nxb Trẻ, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.