APA (7e ed.) Bronvermelding

Graham, T., & Hansen, K. A. (2007). Spy satellites: And other intelligence technologies that changed history. University of Washington Press.

Chicago (17e ed.) Bronvermelding

Graham, Thomas, en Keith A. Hansen. Spy Satellites: And Other Intelligence Technologies That Changed History. Seattle: University of Washington Press, 2007.

MLA (9e ed.) Bronvermelding

Graham, Thomas, en Keith A. Hansen. Spy Satellites: And Other Intelligence Technologies That Changed History. University of Washington Press, 2007.