Wegner, Peter, author
Prentice-Hall, 1980
Buku Teks
Barsky, Brian A., author
Springer-Verlag, 1988
Buku Teks
Armor, David J., author
Free Press, 1972
Buku Teks
Brodie, Leo, author
Prentice-Hall, 1981
Buku Teks
Mueller, Robert A., author
John Wiley & Sons, 1988
Buku Teks