The Century Foundation/Twentieth Century Fund. (1998). Foreign Affairs. The Century Foundation/Twentieth Century Fund.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)The Century Foundation/Twentieth Century Fund. Foreign Affairs. New York: The Century Foundation/Twentieth Century Fund, 1998.
MLA -ийн эшлэл (9 дэх хэвлэлт)The Century Foundation/Twentieth Century Fund. Foreign Affairs. The Century Foundation/Twentieth Century Fund, 1998.