(2008). Barron's practice exercises for the TOEFL iBT. Tp. Hồ Chí Minh: Trẻ.
シカゴスタイル引用形Barron's Practice Exercises for the TOEFL IBT. Tp. Hồ Chí Minh: Trẻ, 2008.
MLA引用形式Barron's Practice Exercises for the TOEFL IBT. Tp. Hồ Chí Minh: Trẻ, 2008.
警告: この引用は必ずしも正確ではありません.