Dyfyniad APA

glenday, e. C., & Guedes, t. e. r. v. p. A. M. (2011). Guiness World records 2012. Leya.

Dyfyniad Arddull Chicago

glenday, editor-chefe Crig, and trad. e rev. versão port. Ana Maria Guedes. Guiness World Records 2012. Leya, 2011.

Dyfyniad MLA

glenday, editor-chefe Crig, and trad. e rev. versão port. Ana Maria Guedes. Guiness World Records 2012. Leya, 2011.

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