Dyfyniad APA

National Geographic society. (1992). Beyond the horizon: Adventures in faraway lands. National Geographic Society.

Dyfyniad Arddull Chicago

National Geographic society. Beyond the Horizon: Adventures in Faraway Lands. Washington, D.C.: National Geographic Society, 1992.

Dyfyniad MLA

National Geographic society. Beyond the Horizon: Adventures in Faraway Lands. National Geographic Society, 1992.

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