APA (7th ed.) Zitazioa

ROBSON, W. A. (1967). Politics and Government at home and abroad. Allen & Unwin.

Chicago Style (17th ed.) Zitazioa

ROBSON, William A. Politics and Government at Home and Abroad. London: Allen & Unwin, 1967.

MLA (9th ed.) Zitazioa

ROBSON, William A. Politics and Government at Home and Abroad. Allen & Unwin, 1967.