Standish, D. (2007). Hollow Earth: The Long and Curious History of Imagining Strange Lands, Fantastical Creatures, Advanced Civilizations, and Marvelous Machines below the Earth's Surface. Da Capo Press.
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Cita Chicago (17th ed.)
Standish, David. Hollow Earth: The Long and Curious History of Imagining Strange Lands, Fantastical Creatures, Advanced Civilizations, and Marvelous Machines Below the Earth's Surface. Cambridge, EUA: Da Capo Press, 2007.
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Cita MLA (9th ed.)
Standish, David. Hollow Earth: The Long and Curious History of Imagining Strange Lands, Fantastical Creatures, Advanced Civilizations, and Marvelous Machines Below the Earth's Surface. Da Capo Press, 2007.
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