Pamela J.Sharpe. (2006). Barron's How to prepare for the TOEFL. Tp. Hồ Chí Minh: Trẻ.
Παραπομπή Chicago StylePamela J.Sharpe. Barron's How to Prepare for the TOEFL. Tp. Hồ Chí Minh: Trẻ, 2006.
Παραπομπή MLAPamela J.Sharpe. Barron's How to Prepare for the TOEFL. Tp. Hồ Chí Minh: Trẻ, 2006.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.