Παραπομπή APA

Martz, G., & Robinson, A. (2014). Cracking the GMAT. Random House.

Παραπομπή Chicago Style

Martz, Geoff, και Adam Robinson. Cracking the GMAT. New York: Random House, 2014.

Παραπομπή MLA

Martz, Geoff, και Adam Robinson. Cracking the GMAT. Random House, 2014.