Lua APA (7ú heag.)

O`Brien Derek. (2008). Derek`s Picks: The Best Quizzes of Derek O`Brien (NA.). Penguein Books.

Lua i Stíl Chicago (17ú heag.)

O`Brien Derek. Derek`s Picks: The Best Quizzes of Derek O`Brien. NA. New Delhi: Penguein Books, 2008.

Lua MLA (9ú heag.)

O`Brien Derek. Derek`s Picks: The Best Quizzes of Derek O`Brien. NA. Penguein Books, 2008.

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