APA (7th ed.) Zitazioa
Green, S. W. (2008). Barron's GRE: Graduate record examination 2008 (17th ed.). Galgotia.
Chicago Style (17th ed.) Zitazioa
Green, Sharon Weiner. Barron's GRE: Graduate Record Examination 2008. 17th ed. New Delhi: Galgotia, 2008.
MLA (9th ed.) Zitazioa
Green, Sharon Weiner. Barron's GRE: Graduate Record Examination 2008. 17th ed. Galgotia, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.