APA (7 वां संस्करण) प्रशस्ति पत्र

Jaffe, E. D., & Hilbert, S. (2005). How to prepare for the graduate management admission test: Barron's GMAT. Barron's.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Jaffe, Eugene D., और Stephen Hilbert. How to Prepare for the Graduate Management Admission Test: Barron's GMAT. Hauppauge, N.Y.: Barron's, 2005.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Jaffe, Eugene D., और Stephen Hilbert. How to Prepare for the Graduate Management Admission Test: Barron's GMAT. Barron's, 2005.