Robson, W. A. (1967). Politics and government at home and abroad. Allen & Unwin.
Cita Chicago (17th ed.)Robson, William Alexander. Politics and Government at Home and Abroad. London: Allen & Unwin, 1967.
Cita MLA (9th ed.)Robson, William Alexander. Politics and Government at Home and Abroad. Allen & Unwin, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.