Sharpe, P. J. (2006). Barron's how to prepare for the Toefl: Test of English as a foreign language. Thành phố Hồ Chí Minh: Trẻ.
Styl cytowania ChicagoSharpe, Pamela J. Barron's How to Prepare for the Toefl: Test of English As a Foreign Language. Thành phố Hồ Chí Minh: Trẻ, 2006.
Styl cytowania MLASharpe, Pamela J. Barron's How to Prepare for the Toefl: Test of English As a Foreign Language. Thành phố Hồ Chí Minh: Trẻ, 2006.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..