APA aipamena

Gyorgy, A. (1944). Geopolitics: The new German science. Univ Press.

Chicago Style aipamena

Gyorgy, Andrew. Geopolitics: The New German Science. California: Univ Press, 1944.

MLA aipamena

Gyorgy, Andrew. Geopolitics: The New German Science. Univ Press, 1944.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.