National Geographic society. (1992). Beyond the horizon: Adventures in faraway lands. National Geographic Society.
Chicago-čujuhus (17. p.)National Geographic society. Beyond the Horizon: Adventures in Faraway Lands. Washington, D.C.: National Geographic Society, 1992.
MLA-čujuhus (9. p.)National Geographic society. Beyond the Horizon: Adventures in Faraway Lands. National Geographic Society, 1992.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.