(2022). Princeton review gre premium prep, 2023: 7 practice tests + review & techniques + online tools. Princeton Review.
Čikaški stil citiranja (17. izdanje)Princeton Review Gre Premium Prep, 2023: 7 Practice Tests + Review & Techniques + Online Tools. : Princeton Review, 2022.
MLA način citiranja (9. izdanje)Princeton Review Gre Premium Prep, 2023: 7 Practice Tests + Review & Techniques + Online Tools. Princeton Review, 2022.
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