APA-ийн эшлэл(7 дахь хэвлэлт)

Gardner, L. C. (2013). Killing machine: The American Presidency in the age of drone warfare. The New Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Gardner, Lloyd C. Killing Machine: The American Presidency in the Age of Drone Warfare. New York: The New Press, 2013.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Gardner, Lloyd C. Killing Machine: The American Presidency in the Age of Drone Warfare. The New Press, 2013.