Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.