Kaplan, Inc. (2008). GMAT® verbal workbook (Fifth Edition.). Kaplan Publishing.
芝加哥风格引文Kaplan, Inc. GMAT® Verbal Workbook. Fifth Edition. New York: Kaplan Publishing, 2008.
MLA引文Kaplan, Inc. GMAT® Verbal Workbook. Fifth Edition. Kaplan Publishing, 2008.
警告：这些引文格式不一定是100％准确.