Kolby, J. (2011). GRE 4000: The 4000 words essential for the GRE. Nova Press.
Chicago Style (17th ed.) CitationKolby, Jeff. GRE 4000: The 4000 Words Essential for the GRE. Los Angeles: Nova Press, 2011.
MLA citiranjeKolby, Jeff. GRE 4000: The 4000 Words Essential for the GRE. Nova Press, 2011.
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