Kennedy, John F.
Harper & Row Pub., 1964
Buku Teks
Pettigrew, Thomas F., author
McGraw-Hill, 1971
Buku Teks
Ackley, Gardner, author
Jakarta Yayasan Penerbit Universitas Indonesia 1973,
Buku Teks
Langer, Paul F.
Hoover Institution Press, 1972
Buku Teks
Rothstein, Paul F.
Thomson/West,, 1981
Buku Teks