APA (7th ed.) Zitazioa

BARKER, E. 1. –. (1967). Reflections on Government. Oxford University press.

Chicago Style (17th ed.) Zitazioa

BARKER, Ernest 1874 –1960. Reflections on Government. London: Oxford University press, 1967.

MLA (9th ed.) Zitazioa

BARKER, Ernest 1874 –1960. Reflections on Government. Oxford University press, 1967.