एपीए उद्धरण

Walker, E., Elsworth, S., & Nguyễn Văn Phước. (2003). Grammar practice for elementary students: With answers. Tp.HCM: Nxb Trẻ.

शिकागो स्टाइल उद्धरण

Walker, Elaine., Steve Elsworth, और Nguyễn Văn Phước. Grammar Practice for Elementary Students: With Answers. Tp.HCM: Nxb Trẻ, 2003.

एमएलए उद्धरण

Walker, Elaine., Steve Elsworth, और Nguyễn Văn Phước. Grammar Practice for Elementary Students: With Answers. Tp.HCM: Nxb Trẻ, 2003.