Lua APA (7ú heag.)
O'Brien, D. (2004). Gk with derek the ultimate general knowledge and quiz com ndium: 2 business. PenguinBooks.
Lua i Stíl Chicago (17ú heag.)
O'Brien, Derek. Gk with Derek the Ultimate General Knowledge and Quiz Com Ndium: 2 Business. New Delh: PenguinBooks, 2004.
Lua MLA (9ú heag.)
O'Brien, Derek. Gk with Derek the Ultimate General Knowledge and Quiz Com Ndium: 2 Business. PenguinBooks, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.