Barber, J. D. (1972). Citizen politics: An introduction to political behavior (2a. ed.). Ladder Edition.
Citazione stile Chigago Style (17a edizione)Barber, James David. Citizen Politics: An Introduction to Political Behavior. 2a. ed. s.l: Ladder Edition, 1972.
Citatione MLA (9a ed.)Barber, James David. Citizen Politics: An Introduction to Political Behavior. 2a. ed. Ladder Edition, 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.