Jaffe, E. D., & Hilbert, S. (2005). How to prepare for the graduate management admission test: Barron's GMAT. Barron's.
Citazione stile Chigago Style (17a edizione)Jaffe, Eugene D., e Stephen Hilbert. How to Prepare for the Graduate Management Admission Test: Barron's GMAT. Hauppauge, N.Y.: Barron's, 2005.
Citatione MLA (8a ed.)Jaffe, Eugene D., e Stephen Hilbert. How to Prepare for the Graduate Management Admission Test: Barron's GMAT. Barron's, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.