Citazione Stile APA (7a Edizione)

Jaffe, E. D., & Hilbert, S. (2001). Barron's pass key to the GMAT (Computer-Adaptive Graduate Management Admission Test) (3rd ed.). Barron's Educational Series.

Citazione stile Chigago Style (17a edizione)

Jaffe, Eugene D., e Stephen Hilbert. Barron's Pass Key to the GMAT (Computer-Adaptive Graduate Management Admission Test). 3rd ed. Hauppauge, NY: Barron's Educational Series, 2001.

Citatione MLA (9a ed.)

Jaffe, Eugene D., e Stephen Hilbert. Barron's Pass Key to the GMAT (Computer-Adaptive Graduate Management Admission Test). 3rd ed. Barron's Educational Series, 2001.