Sharpe, P., & Nguyễn Văn Phước. (2000). How to prepare for the Toefl Test of english as a foreign language (In lần thứ 9.). Tp. Hồ Chí Minh: Trẻ.
Styl cytowania ChicagoSharpe, Pamela, i Nguyễn Văn Phước. How to Prepare for the Toefl Test of English As a Foreign Language. In lần thứ 9. Tp. Hồ Chí Minh: Trẻ, 2000.
Styl cytowania MLASharpe, Pamela, i Nguyễn Văn Phước. How to Prepare for the Toefl Test of English As a Foreign Language. In lần thứ 9. Tp. Hồ Chí Minh: Trẻ, 2000.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..