APA aipamena

Vanthal, H. (1974). Prime Ministers. George Allen & Unwin.

Chicago Style aipamena

Vanthal, Herbert. Prime Ministers. London: George Allen & Unwin, 1974.

MLA aipamena

Vanthal, Herbert. Prime Ministers. George Allen & Unwin, 1974.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.