Kaplan, Inc. (2008). GMAT® math workbook. Kaplan Publishing.
Lua i Stíl Chicago (17ú heag.)Kaplan, Inc. GMAT® Math Workbook. New York: Kaplan Publishing, 2008.
Lua MLA (8ú heag.)Kaplan, Inc. GMAT® Math Workbook. Kaplan Publishing, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.