Gyorgy, A. (1944). Geopolitics: The new german science. University of California Press.
Lua i Stíl Chicago (17ú heag.)Gyorgy, Andrew. Geopolitics: The New German Science. Berkeley: University of California Press, 1944.
Lua MLA (9ú heag.)Gyorgy, Andrew. Geopolitics: The New German Science. University of California Press, 1944.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.