Ball, T., & Dagger, R. (2011). Political ideologies and the democratic ideal (8th ed.). Longman.
Citazione stile Chigago Style (17a edizione)Ball, Terence, e Richard Dagger. Political Ideologies and the Democratic Ideal. 8th ed. Boston: Longman, 2011.
Citatione MLA (9a ed.)Ball, Terence, e Richard Dagger. Political Ideologies and the Democratic Ideal. 8th ed. Longman, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.