Boyer, C., & Zimbler, S. (2020). Top secret: Spies, codes, capers, gadgets, and classified cases revealed. National Geographic.
Cita Chicago Style (17a ed.)Boyer, Crispin, y Suzanne Zimbler. Top Secret: Spies, Codes, Capers, Gadgets, and Classified Cases Revealed. Washington, D.C.: National Geographic, 2020.
Cita MLA (8a ed.)Boyer, Crispin, y Suzanne Zimbler. Top Secret: Spies, Codes, Capers, Gadgets, and Classified Cases Revealed. National Geographic, 2020.
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