Hart, J. (1948). The American presidency in action, 1789: A study in constitutional history. Macmillan Co.
Citazione stile Chigago Style (17a edizione)Hart, James. The American Presidency in Action, 1789: A Study in Constitutional History. New York: Macmillan Co, 1948.
Citatione MLA (9a ed.)Hart, James. The American Presidency in Action, 1789: A Study in Constitutional History. Macmillan Co, 1948.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.