Sahanaya, W., Lindeck, J., Stewart, R., Vũ Tài Hoa,, & Nguyễn Văn Phước. (2003). IELTS preparation and practice: Reading and writing : Academic module. Đà Nẵng: Nxb Đà Nẵng.
Chicago ZitierstilSahanaya, Wendy., Jeremy Lindeck, Richard Stewart, Vũ Tài Hoa, und Nguyễn Văn Phước. IELTS Preparation and Practice: Reading and Writing : Academic Module. Đà Nẵng: Nxb Đà Nẵng, 2003.
MLA ZitierstilSahanaya, Wendy., et al. IELTS Preparation and Practice: Reading and Writing : Academic Module. Đà Nẵng: Nxb Đà Nẵng, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.