American Council on Education. (1998). The presidency. American Council on Education.
Citazione stile Chigago Style (17a edizione)American Council on Education. The Presidency. Washington, DC: American Council on Education, 1998.
Citatione MLA (9a ed.)American Council on Education. The Presidency. American Council on Education, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.