KAPLAN. (2001). GMAT-CD (5TH.). SIMON & SCHUSTER INC.
Lua i Stíl Chicago (17ú heag.)KAPLAN. GMAT-CD. 5TH. NEW YORK: SIMON & SCHUSTER INC, 2001.
Lua MLA (9ú heag.)KAPLAN. GMAT-CD. 5TH. SIMON & SCHUSTER INC, 2001.
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