Cita APA

Sharpe, P. J. (2013). Barron's TOEFL iBT. Hauppauge, N.Y: Barron's.

Citación estilo Chicago

Sharpe, Pamela J. Barron's TOEFL IBT. Hauppauge, N.Y: Barron's, 2013.

Cita MLA

Sharpe, Pamela J. Barron's TOEFL IBT. Hauppauge, N.Y: Barron's, 2013.