National Geographic society. (1992). Beyond the horizon: Adventures in faraway lands. National Geographic Society.
Chicagoスタイル(17版)引用形式National Geographic society. Beyond the Horizon: Adventures in Faraway Lands. Washington, D.C.: National Geographic Society, 1992.
MLA(9版)引用形式National Geographic society. Beyond the Horizon: Adventures in Faraway Lands. National Geographic Society, 1992.
警告: この引用は必ずしも正確ではありません.