Hess, S. (1988). The Presidential campaign: An essay (3rd ed.). Brookings Institution.
Citazione stile Chigago Style (17a edizione)Hess, Stephen. The Presidential Campaign: An Essay. 3rd ed. Washington, D.C: Brookings Institution, 1988.
Citatione MLA (9a ed.)Hess, Stephen. The Presidential Campaign: An Essay. 3rd ed. Brookings Institution, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.