एपीए उद्धरण

(2009). Guinness world records 2010. Guinness World Records.

शिकागो स्टाइल उद्धरण

Guinness World Records 2010. London: Guinness World Records, 2009.

एमएलए उद्धरण

Guinness World Records 2010. Guinness World Records, 2009.