Glenday, C. (2019). Guinness World Records, 2020. Guinness World Records Ltd..
Cita Chicago Style (17a ed.)Glenday, Craig. Guinness World Records, 2020. [London, England]: Guinness World Records Ltd., 2019.
Cita MLA (8a ed.)Glenday, Craig. Guinness World Records, 2020. Guinness World Records Ltd., 2019.
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