APA (7 वां संस्करण) प्रशस्ति पत्र
Jaffe, E. D., & Hilbert, S. (2005). How to Prepare for the Graduate Management Admission Test: Barron's GMAT (13th ed.). Barron's Educational Series.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Jaffe, Eugene D., और Stephen Hilbert. How to Prepare for the Graduate Management Admission Test: Barron's GMAT. 13th ed. New York: Barron's Educational Series, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Jaffe, Eugene D., और Stephen Hilbert. How to Prepare for the Graduate Management Admission Test: Barron's GMAT. 13th ed. Barron's Educational Series, 2005.
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