Cita APA (7th ed.)
Sharpe, P. Barron's TOEFL IBT interint-based test 2009 (12th ed.). Galgotia Pub.
Cita Chicago (17th ed.)
Sharpe, Pamela. Barron's TOEFL IBT Interint-based Test 2009. 12th ed. New Delhi: Galgotia Pub.
Cita MLA (9th ed.)
Sharpe, Pamela. Barron's TOEFL IBT Interint-based Test 2009. 12th ed. Galgotia Pub.
Atenció: Aquestes cites poden no estar 100% correctes.