APA aipamena

Evans, L. (1969). The invasion of Czechoslovakia. New York: Merit.

Chicago Style aipamena

Evans, Les. The Invasion of Czechoslovakia. New York: Merit, 1969.

MLA aipamena

Evans, Les. The Invasion of Czechoslovakia. New York: Merit, 1969.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.