Cita APA (7th ed.)

Sharpe, P. J. BARRON'S TOEFL iBT Internet-Based Test. BARRON'S.

Cita Chicago (17th ed.)

Sharpe, Pamela J. BARRON'S TOEFL IBT Internet-Based Test. BARRON'S.

Cita MLA (9th ed.)

Sharpe, Pamela J. BARRON'S TOEFL IBT Internet-Based Test. BARRON'S.