McIntyre, L. (1975). The incredible incas and their timeless land (Primera edición.). National Geographic Society.
Lua i Stíl Chicago (17ú heag.)McIntyre, Loren. The Incredible Incas and Their Timeless Land. Primera edición. Washington: National Geographic Society, 1975.
Lua MLA (8ú heag.)McIntyre, Loren. The Incredible Incas and Their Timeless Land. Primera edición. National Geographic Society, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.