APA引文

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

芝加哥风格引文

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

MLA引文

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

警告：这些引文格式不一定是100％准确.