Dyfyniad APA

Rees, N. (1995). The Guinness dictionary of jokes. Guinness Publishing.

Dyfyniad Arddull Chicago

Rees, Nigel. The Guinness Dictionary of Jokes. Enfield: Guinness Publishing, 1995.

Dyfyniad MLA

Rees, Nigel. The Guinness Dictionary of Jokes. Guinness Publishing, 1995.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.