APA aipamena

Heymann, F. G. (1965). George of Bohemia, King of Heretics. Princeton University Press.

Chicago Style aipamena

Heymann, Frederick Gotthold. George of Bohemia, King of Heretics. Princeton, N.J: Princeton University Press, 1965.

MLA aipamena

Heymann, Frederick Gotthold. George of Bohemia, King of Heretics. Princeton University Press, 1965.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.