The Century Foundation/Twentieth Century Fund. (1998). Foreign Affairs. The Century Foundation/Twentieth Century Fund.
Chicago-referens (17:e uppl.)The Century Foundation/Twentieth Century Fund. Foreign Affairs. New York: The Century Foundation/Twentieth Century Fund, 1998.
MLA-referens (9:e uppl.)The Century Foundation/Twentieth Century Fund. Foreign Affairs. The Century Foundation/Twentieth Century Fund, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.