Sharpe, P. J. (2006). Pass key to the TOEFL iBT: Test of English as a foreign language : Internet-based test. Thành phố Hồ Chí Minh: Trẻ.
Style de citation ChicagoSharpe, Pamela J. Pass Key to the TOEFL IBT: Test of English As a Foreign Language : Internet-based Test. Thành phố Hồ Chí Minh: Trẻ, 2006.
Style de citation MLASharpe, Pamela J. Pass Key to the TOEFL IBT: Test of English As a Foreign Language : Internet-based Test. Thành phố Hồ Chí Minh: Trẻ, 2006.
Attention : ces citations peuvent ne pas être correctes à 100%.