Hawthorn., & Nguyễn Thành Yến. (2002). IELTS to success: Preparation tips and practice tests (2nd ed.). Tp.HCM: Nxb Tp.HCM.
Dyfyniad Arddull ChicagoHawthorn., và Nguyễn Thành Yến. IELTS to Success: Preparation Tips and Practice Tests. 2nd ed. Tp.HCM: Nxb Tp.HCM, 2002.
Dyfyniad MLAHawthorn., và Nguyễn Thành Yến. IELTS to Success: Preparation Tips and Practice Tests. 2nd ed. Tp.HCM: Nxb Tp.HCM, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.