Case studies in American government Inter-University case Program edited by and
New Jersey Prentice-Hall 1965
 Buku Teks
Bock, Edwin A.
Case studies in American government the inter-University case program edited by and
London Prentice-Hall 1962
 Buku Teks
Holsti, Ole R.
American leadership in World affairs Vietnam and the breakdown of consensus and
Boston Allen & Unwin 1984
 Buku Teks
Reviews in American History
Baltimore : Johns Hopkins University Press
 Majalah, Jurnal, Buletin
Griffith, Ernest S.
The America system of goverment
London Methuen & Co. 1967,
 Buku Teks
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