McIntyre, L. (1975). The incredible incas and their timeless land (Primera edición.). National Geographic Society.
Chicagoスタイル(17版)引用形式McIntyre, Loren. The Incredible Incas and Their Timeless Land. Primera edición. Washington: National Geographic Society, 1975.
MLA(8版)引用形式McIntyre, Loren. The Incredible Incas and Their Timeless Land. Primera edición. National Geographic Society, 1975.
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