Dyfyniad APA

Bryson, B. (1998). A walk in the woods; illustrated by David Cook. Black Swan.

Dyfyniad Arddull Chicago

Bryson, Bill. A Walk in the Woods; Illustrated by David Cook. London: Black Swan, 1998.

Dyfyniad MLA

Bryson, Bill. A Walk in the Woods; Illustrated by David Cook. Black Swan, 1998.

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