Citazione Stile APA (7a Edizione)

Green, S. W., & Wolf, I. K. (2009). Barron's graduate record examination (18th ed.). Barron's Educational Series.

Citazione stile Chigago Style (17a edizione)

Green, Sharon Weiner, e Ira K. Wolf. Barron's Graduate Record Examination. 18th ed. New York: Barron's Educational Series, 2009.

Citatione MLA (9a ed.)

Green, Sharon Weiner, e Ira K. Wolf. Barron's Graduate Record Examination. 18th ed. Barron's Educational Series, 2009.