APA aipamena

Fitzsimons, C. (1979). Early Warning. New York: Viking Press.

Chicago Style aipamena

Fitzsimons, Christopher. Early Warning. New York: Viking Press, 1979.

MLA aipamena

Fitzsimons, Christopher. Early Warning. New York: Viking Press, 1979.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.