APA aipamena

Guinness World Records Limited. (2015). Guinness world records 2015. Guinness World Records Limited.

Chicago Style aipamena

Guinness World Records Limited. Guinness World Records 2015. United Kingdom: Guinness World Records Limited, 2015.

MLA aipamena

Guinness World Records Limited. Guinness World Records 2015. Guinness World Records Limited, 2015.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.