Martz, G., & Robinson, A. (2014). Cracking the GMAT. Random House.
Dyfyniad Arddull ChicagoMartz, Geoff, and Adam Robinson. Cracking the GMAT. New York: Random House, 2014.
Dyfyniad MLAMartz, Geoff, and Adam Robinson. Cracking the GMAT. Random House, 2014.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.