Citazione Stile APA (7a Edizione)

Kaplan, Inc. (2008). GMAT® verbal workbook (Fifth Edition.). Kaplan Publishing.

Citazione stile Chigago Style (17a edizione)

Kaplan, Inc. GMAT® Verbal Workbook. Fifth Edition. New York: Kaplan Publishing, 2008.

Citatione MLA (8a ed.)

Kaplan, Inc. GMAT® Verbal Workbook. Fifth Edition. Kaplan Publishing, 2008.