Dyfyniad APA

Bono, E. D. (2009). Think! Before its too late. Vermilion.

Dyfyniad Arddull Chicago

Bono, Edward De. Think! Before Its Too Late. London: Vermilion, 2009.

Dyfyniad MLA

Bono, Edward De. Think! Before Its Too Late. Vermilion, 2009.

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