Heywood Andrew. (2017). Politics (4.). Palgrave.
Cita Chicago (17th ed.)Heywood Andrew. Politics. 4. Palgrave, 2017.
Cita MLA (9th ed.)Heywood Andrew. Politics. 4. Palgrave, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)