Machiavelli, N., & Bull, G. (1961). The prince. Penguin Books.
Chicago Style aipamenaMachiavelli, Niccol̀o, and George Bull. The Prince. Harmondsworth, Eng. ; New York: Penguin Books, 1961.
MLA aipamenaMachiavelli, Niccol̀o, and George Bull. The Prince. Penguin Books, 1961.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.