Dyfyniad APA

(1994). The new Guinness book of records. Guinness.

Dyfyniad Arddull Chicago

The New Guinness Book of Records. U.K.: Guinness, 1994.

Dyfyniad MLA

The New Guinness Book of Records. Guinness, 1994.

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