Kennedy, George, author
McGraw-Hill, 1985.
Buku Teks
Kennedy, Michael
Oxford University Press, 1994
Buku Referensi
Halberstam, David
New York Alfred A. Knopf 1988,
Buku Teks
Gardner, Paul F.
Westview Press, 1997
Buku Teks
Nevins, Allan, 1890-1971, author
The Modern Library, 1942
Buku Teks