Jourdain, Robert, author
Brady pub, 1986
Buku Teks
Norton, Peter, author
[publisher not identified], [date of publication not identified]
Buku Teks
Norton, Peter, author
Microsoft Corp., 1985
Buku Teks
Harrow, Keith, author
1986,
Buku Teks
Porter, Alan G.
Reading, Mass.: Addison-Wesley, c1985
Buku Teks