Sharpe, P. J., & Nguyễn Văn Phước. (2000). How to prepare for the TOEFL test: Test of English as a Foreign Language (9th Ed.). Tp. Hồ Chí Minh: Nxb. Trẻ.
استشهاد بنمط شيكاغوSharpe, Pamela J., و Nguyễn Văn Phước. How to Prepare for the TOEFL Test: Test of English As a Foreign Language. 9th Ed. Tp. Hồ Chí Minh: Nxb. Trẻ, 2000.
MLA استشهادSharpe, Pamela J., و Nguyễn Văn Phước. How to Prepare for the TOEFL Test: Test of English As a Foreign Language. 9th Ed. Tp. Hồ Chí Minh: Nxb. Trẻ, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.