(2003). GRE general test, [electronic resource] Powerprep software.
Lua i Stíl Chicago (17ú heag.)GRE General Test, [electronic Resource] Powerprep Software. 2003.
Lua MLA (9ú heag.)GRE General Test, [electronic Resource] Powerprep Software. 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.