Manhattan Prep. (2019). Gre vocabulary flashcards: 500 essential words (Third edition.). Manhattan Prep.
Citazione stile Chigago Style (17a edizione)Manhattan Prep. Gre Vocabulary Flashcards: 500 Essential Words. Third edition. New York: Manhattan Prep, 2019.
Citatione MLA (9a ed.)Manhattan Prep. Gre Vocabulary Flashcards: 500 Essential Words. Third edition. Manhattan Prep, 2019.
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