Lippiatt, Arthur G., author
Prentice Hall International, 1979
Buku Teks
Bartee, Thomas C., author
McGraw-Hill, 1991
Buku Teks
Murray, William D., author
Prentice-Hall, 1990
Buku Teks
Wilkinson, Barry, author
Prentice-Hall, 1996
Buku Teks
Lewin, Morton H., author
Addison-Wesley, 1983
Buku Teks