Sharpe, P. J. (2008). Practice exercises for the TOEFL® iBT. Tp. Hồ Chí Minh: Trẻ.
Trích dẫn kiểu ChicagoSharpe, Pamela J. Practice Exercises for the TOEFL® IBT. Tp. Hồ Chí Minh: Trẻ, 2008.
ציטוט MLASharpe, Pamela J. Practice Exercises for the TOEFL® IBT. Tp. Hồ Chí Minh: Trẻ, 2008.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.