Mathias, L.L.
Etdeckung Amerikas anno 1953
Hamburg Rowohlt 1953
Buku Teks
Griffith, Ernest S.
The America system of goverment
London Methuen & Co. 1967,
Buku Teks
Case studies in American government Inter-University case Program edited by and
New Jersey Prentice-Hall 1965
Buku Teks
United Nations: the first ten yeas
Oceana Publications, 1957
Buku Teks
R. Tini Supriatini
Peranan wartawan the Washington post dalam mengungkap skandal watergate (1972-1974)
2000
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