एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

Walker, Elaine., Steve Elsworth, और Nguyễn Văn Phước. Grammar Practice for Pre - Intermediate Students. Tp.HCM: Nxb Trẻ, 2001.

एमएलए उद्धरण

Walker, Elaine., Steve Elsworth, और Nguyễn Văn Phước. Grammar Practice for Pre - Intermediate Students. Tp.HCM: Nxb Trẻ, 2001.