Hoobler, D., Hoobler, T., & Hoare, J. (2015). Where are the Great Pyramids? Grosset & Dunlap, an imprint of Penguin Group (USA) LLC.
Cita Chicago Style (17a ed.)Hoobler, Dorothy, Thomas Hoobler, y Jerry Hoare. Where Are the Great Pyramids? New York, New York: Grosset & Dunlap, an imprint of Penguin Group (USA) LLC, 2015.
Cita MLA (8a ed.)Hoobler, Dorothy, et al. Where Are the Great Pyramids? Grosset & Dunlap, an imprint of Penguin Group (USA) LLC, 2015.
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