Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

Precaución: Estas citas no son 100% exactas.