McIntyre, L. (1975). The incredible Incas and their timeless land. National Geographic Society.
Citace podle Chicago (17th ed.)McIntyre, Loren. The Incredible Incas and Their Timeless Land. Washington, D.C: National Geographic Society, 1975.
Citace podle MLA (9th ed.)McIntyre, Loren. The Incredible Incas and Their Timeless Land. National Geographic Society, 1975.
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