National Geographic Society (U.S.). Special Publications Division. (1988). Excursion to enchantment: A journey to the world's most beautiful places. The Society.
Citace podle Chicago (17th ed.)National Geographic Society (U.S.). Special Publications Division. Excursion to Enchantment: A Journey to the World's Most Beautiful Places. Washington, D.C: The Society, 1988.
Citace podle MLA (9th ed.)National Geographic Society (U.S.). Special Publications Division. Excursion to Enchantment: A Journey to the World's Most Beautiful Places. The Society, 1988.
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