Ridley, F. F. (1975). The study of government: Political science and public administration. Allen & Unwin.
Citazione stile Chigago Style (17a edizione)Ridley, F. F. The Study of Government: Political Science and Public Administration. London: Allen & Unwin, 1975.
Citatione MLA (8a ed.)Ridley, F. F. The Study of Government: Political Science and Public Administration. Allen & Unwin, 1975.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.