Gardner, L. C. (2013). Killing machine: The American Presidency in the age of drone warfare. The New Press.
Citace podle Chicago (17th ed.)Gardner, Lloyd C. Killing Machine: The American Presidency in the Age of Drone Warfare. New York: The New Press, 2013.
Citace podle MLA (9th ed.)Gardner, Lloyd C. Killing Machine: The American Presidency in the Age of Drone Warfare. The New Press, 2013.
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