Cita APA (7th ed.)
Green S. W & Wolf, I. K. (2001). Barron's how to prepare for the gre test. Galgotia Pub.
Cita Chicago (17th ed.)
Green S. W i I. K. Wolf. Barron's How to Prepare for the Gre Test. New Delhi: Galgotia Pub, 2001.
Cita MLA (9th ed.)
Green S. W i I. K. Wolf. Barron's How to Prepare for the Gre Test. Galgotia Pub, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.