Cita APA (7th ed.)

Kaplan, Inc. (2008). GMAT® math workbook. Kaplan Publishing.

Cita Chicago (17th ed.)

Kaplan, Inc. GMAT® Math Workbook. New York: Kaplan Publishing, 2008.

Cita MLA (8th ed.)

Kaplan, Inc. GMAT® Math Workbook. Kaplan Publishing, 2008.