Morris, Noel Malcolm, 1929-, author
Macmillan, 1991
Buku Teks
Johnson, David E., author
Prentice-Hall, 1984
Buku Teks
Alexander, Charles K., author
McGraw-Hill, 2000
Buku Teks
Dorf, Richard C., author
Wiley, 1993
Buku Teks
Bell, David A., 1930-, author
Reston Publishing, 1981
Buku Teks