Jaffe, E. D., & Hilbert, S. (2001). Barron's GMAT: How to prepare for the graduate management admission test (12th ed.). Hauppauge, N.Y.: Barron's Educational Series.MLA Citation
Jaffe, Eugene D., and Stephen Hilbert. Barron's GMAT: How to Prepare for the Graduate Management Admission Test. 12th ed. Hauppauge, N.Y.: Barron's Educational Series, 2001.