Sharpe, P. J. (2006). Barron's Practice exercises for the TOEFL: Test of English as a foreign language. Thành phố Hồ Chí Minh: Trẻ.
استشهاد بنمط شيكاغوSharpe, Pamela J. Barron's Practice Exercises for the TOEFL: Test of English As a Foreign Language. Thành phố Hồ Chí Minh: Trẻ, 2006.
MLA استشهادSharpe, Pamela J. Barron's Practice Exercises for the TOEFL: Test of English As a Foreign Language. Thành phố Hồ Chí Minh: Trẻ, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.