Herring, P. (1965). The politics of democracy: American parties in action (2a. ed.). W. W. Norton.
Chicago Style (17th ed.) ZitazioaHerring, Pendleton. The Politics of Democracy: American Parties in Action. 2a. ed. Nueva York: W. W. Norton, 1965.
MLA (9th ed.) ZitazioaHerring, Pendleton. The Politics of Democracy: American Parties in Action. 2a. ed. W. W. Norton, 1965.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.