(2021). Official GRE Verbal Reasoning Practice Questions Volume 1 (2.). MC Graw Hill.
Čikaški stil citiranja (17. izdanje)Official GRE Verbal Reasoning Practice Questions Volume 1. 2. chennai: MC Graw Hill, 2021.
MLA način citiranja (9. izdanje)Official GRE Verbal Reasoning Practice Questions Volume 1. 2. MC Graw Hill, 2021.
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