American Council on Education. (1998). The presidency. American Council on Education.
Lua i Stíl Chicago (17ú heag.)American Council on Education. The Presidency. Washington, DC: American Council on Education, 1998.
Lua MLA (9ú heag.)American Council on Education. The Presidency. American Council on Education, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.