Rehnquist, William H.
William Morrow, 1987
Buku Teks
Johnson, Gerald W.
William Morrow, 1962
Buku Teks
Woodward, Bob
Simon and Schuster, 1979
Buku Teks
edited by Burke Marshall
United States International Communication Agency, 1982
Buku Teks
Scigliano, Robert
Free Press, 1971
Buku Teks