Walker, E., Elsworth, S., & Nguyễn Văn Phước. (2001). Grammar practice for pre - intermediate students. Tp.HCM: Nxb Trẻ.
Citación estilo ChicagoWalker, Elaine., Steve Elsworth, y Nguyễn Văn Phước. Grammar Practice for Pre - Intermediate Students. Tp.HCM: Nxb Trẻ, 2001.
Cita MLAWalker, Elaine., Steve Elsworth, y Nguyễn Văn Phước. Grammar Practice for Pre - Intermediate Students. Tp.HCM: Nxb Trẻ, 2001.
Precaución: Estas citas no son 100% exactas.