Stivi,Tribe. (2010). University Challenge Quiz Book: Over 3,500 Challenging Questions from Britain's Most Difficult Quiz (NA.). Woodlands Books.
Chicago-referens (17:e uppl.)Stivi,Tribe. University Challenge Quiz Book: Over 3,500 Challenging Questions from Britain's Most Difficult Quiz. NA. UK: Woodlands Books, 2010.
MLA-referens (9:e uppl.)Stivi,Tribe. University Challenge Quiz Book: Over 3,500 Challenging Questions from Britain's Most Difficult Quiz. NA. Woodlands Books, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.