Heywood, A. (2017). Political Ideologies: An introduction . (6th ed.). Palgrave.
Cita Chicago (17th ed.)Heywood, Andrew. Political Ideologies: An Introduction . 6th ed. London: Palgrave, 2017.
Cita MLA (9th ed.)Heywood, Andrew. Political Ideologies: An Introduction . 6th ed. Palgrave, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.