Keiser, Gerd E., author
GTE, [Date of publication not identified]
Buku Teks
Keiser, Gerd, author
McGraw-Hill , 2002
Multimedia
Tangney, Brendan, author
Prentice-Hall, 1988
Buku Teks
Keiser, Gerd, author
McGraw-Hill, 2002
Buku Teks
editor, Geoffrey Carter ; contributors Lynda Edwards ... [et al.]
Heinemann Computers in Education published in conjuction with International Computers, 1984
Buku Teks