Davidson, Jamie S.
Indonesia: twenty years of democracy
Cambridge University Press, 2018
 Buku Teks
Drucker, Peter Ferdinand, 1909-2005
America's next twenty years
Harper & Brothers, 1957
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Neal, Harry Edward
Diary of democracy the story of political parties in America
Julian Messner, 1963
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Neal, Harry Edward
Diary of democracy; the story of political parties in America
Julian Messner, 1967
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Dulles, Foster Rhea
China and America the story of their relations since 1784 / Foster Rhea Dulles
New Jersey, 1946
 Buku Teks