APA (7th ed.) Zitazioa
Mcwhirter, N. D. The Guinness Book of Answers. Guinness Books.
Chicago Style (17th ed.) Zitazioa
Mcwhirter, Norris D. The Guinness Book of Answers. Londres, Inglaterra: Guinness Books.
MLA (9th ed.) Zitazioa
Mcwhirter, Norris D. The Guinness Book of Answers. Guinness Books.
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