APA (7th ed.) Zitazioa

Berkeley , . H. (1968). Power of the prime minister. Allen & Unwin.

Chicago Style (17th ed.) Zitazioa

Berkeley , Humphry. Power of the Prime Minister. London: Allen & Unwin, 1968.

MLA (9th ed.) Zitazioa

Berkeley , Humphry. Power of the Prime Minister. Allen & Unwin, 1968.