Irving, J. (1999). The world according to garp. London : Black Swan.
Lua i Stíl Chicago (17ú heag.)Irving, John. The World According to Garp. London : Black Swan, 1999.
Lua MLA (9ú heag.)Irving, John. The World According to Garp. London : Black Swan, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.