FOLKARD CLAIRE EDT. (2004). GUINNESS WORLD RECORDS-2005. GUINNESS PUBLICATIONS.
Cita Chicago (17th ed.)FOLKARD CLAIRE EDT. GUINNESS WORLD RECORDS-2005. UK: GUINNESS PUBLICATIONS, 2004.
Cita MLA (9th ed.)FOLKARD CLAIRE EDT. GUINNESS WORLD RECORDS-2005. GUINNESS PUBLICATIONS, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.