Lewis, T.G. (Theodore Gyle), author
Reston Publishing, 1983
Buku Teks
Anger, Arthur L., author
John Wiley & Sons, 1972
Buku Teks
Osborne, Adam, author
Osborne McGraw-Hill, 1981
Buku Teks
Nilsson, James W. (James William), author
Addison-Wesley, 1996
Buku Teks
Glinert, Ephraim P.
Prentice Hall International, 1983
Buku Teks