Floyd, Thomas L., author
Prentice-Hall, 1998
Buku Teks
Morris, Noel Malcolm, 1929-, author
Macmillan, 1991
Buku Teks
Bell, David A., 1930-, author
Reston Publishing, 1981
Buku Teks
Alexander, Charles K., author
McGraw-Hill, 2000
Buku Teks
Nilsson, James William, author
Addison-Wesley, 1986
Buku Teks