Jackson, Harbert W.
Prentice Hall Career & Technology, 1989
Buku Teks
Alexander, Charles K., author
McGraw-Hill, 2000
Buku Teks
Bell, David A., 1930-, author
Reston Publishing, 1981
Buku Teks
Floyd, Thomas L., author
Prentice-Hall, 1998
Buku Teks
Nilsson, James W. (James William), author
Addison-Wesley, 1996
Buku Teks