Coppock Selena. (2012). Cracking the GMAT. Random House.
Lua i Stíl Chicago (17ú heag.)Coppock Selena. Cracking the GMAT. New York: Random House, 2012.
Lua MLA (9ú heag.)Coppock Selena. Cracking the GMAT. Random House, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.