Key, V. O. (1952). Politics, parties, and presure groups. New York: Thomas Y Crowell Company.
Stile di citazione ChicagoKey, V. O. Politics, Parties, and Presure Groups. New York: Thomas Y Crowell Company, 1952.
Citazione MLAKey, V. O. Politics, Parties, and Presure Groups. New York: Thomas Y Crowell Company, 1952.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.