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
Mathias, L.L.
Etdeckung Amerikas anno 1953
Hamburg Rowohlt 1953
 Buku Teks
Mathias, L.L.
Etdeckung Amerikas anno 1953
Hamburg Rowohlt 1953
 Buku Teks