Dyfyniad APA

FISHER, R. [. a. Into The Wilderness. National Geographic Society.

Dyfyniad Arddull Chicago

FISHER, Ron [et al]. Into The Wilderness. Washington: National Geographic Society.

Dyfyniad MLA

FISHER, Ron [et al]. Into The Wilderness. National Geographic Society.

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