Rees, N. (1995). The Guinness dictionary of jokes. Guinness Publishing.
Chicago Style aipamenaRees, Nigel. The Guinness Dictionary of Jokes. Enfield: Guinness Publishing, 1995.
MLA aipamenaRees, Nigel. The Guinness Dictionary of Jokes. Guinness Publishing, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.