Lua APA (7ú heag.)

Pierce, D. (2011). Cracking the new GRE, with DVD (2012 ed.). Random House.

Lua i Stíl Chicago (17ú heag.)

Pierce, Douglas. Cracking the New GRE, with DVD. 2012 ed. New York: Random House, 2011.

Lua MLA (8ú heag.)

Pierce, Douglas. Cracking the New GRE, with DVD. 2012 ed. Random House, 2011.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.