APA aipamena

(2010). Guinness world records 2011. Guinness world records.

Chicago Style aipamena

Guinness World Records 2011. U.K: Guinness world records, 2010.

MLA aipamena

Guinness World Records 2011. Guinness world records, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.