Goldberg, Arthur J., author
Northwestern University Press, 1971
Buku Teks
Ball, Howard
Associated University Press,Inc., 1971
Buku Teks
1965
Buku Teks
Rehnquist, William H.
William morrow and company,inc., 1987
Buku Teks
Johnson, Gerald W., author
William Morrow and Company, 1962
Buku Teks