Παραπομπή APA

Green, S. W., & Wolf, I. K. (2003). How to prepare for the GRE: Graduate record examination (15th ed.). New York: Barron's Educational Series.

Παραπομπή Chicago Style

Green, Sharon Weiner, and Ira K. Wolf. How to Prepare for the GRE: Graduate Record Examination. 15th ed. New York: Barron's Educational Series, 2003.

Παραπομπή MLA

Green, Sharon Weiner, and Ira K. Wolf. How to Prepare for the GRE: Graduate Record Examination. 15th ed. New York: Barron's Educational Series, 2003.

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