Cita APA

Sharpe, P. J., & Pamela J. Sharpe. (2010). Toefl iBT: Internet based test . (12th edition.). Hồ Chí Minh: NXB trẻ.

Citación estilo Chicago

Sharpe, Pamela J., y Pamela J. Sharpe. Toefl IBT: Internet Based Test . 12th edition. Hồ Chí Minh: NXB trẻ, 2010.

Cita MLA

Sharpe, Pamela J., y Pamela J. Sharpe. Toefl IBT: Internet Based Test . 12th edition. Hồ Chí Minh: NXB trẻ, 2010.