Macridis, R. C. (1967). Political parties: Contemporary trends and ideas. Harper Torchbooks.
Citazione stile Chigago Style (17a edizione)Macridis, Roy C. Political Parties: Contemporary Trends and Ideas. Nueva York: Harper Torchbooks, 1967.
Citatione MLA (9a ed.)Macridis, Roy C. Political Parties: Contemporary Trends and Ideas. Harper Torchbooks, 1967.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.