Παραπομπή APA

Graduate Management Admission Council. (2005). GMAT review: The official guide for GMAT review (11th ed.). Blackwell.

Παραπομπή Chicago Style

Graduate Management Admission Council. GMAT Review: The Official Guide for GMAT Review. 11th ed. Oxford: Blackwell, 2005.

Παραπομπή MLA

Graduate Management Admission Council. GMAT Review: The Official Guide for GMAT Review. 11th ed. Blackwell, 2005.