Neely, Richard
Yale University Press, 1981
Buku Teks
Bork, Robert H., author
The Free Press, 1990
Buku Teks
Schubert, Glendon A., Jr, author
University of Minnesota Press, 1956
Buku Teks
Cahill, Fred V.
The Ronald Press Company, 1952
Buku Teks
Toobin, Jeffrey, author
Doubleday, 2007
Buku Teks