Norton, Peter
Microsoft Corp., 1985
Buku Teks
Norton, Peter
[publisher not identified], [date of publication not identified]
Buku Teks
Simpson, Henry
McGraw-Hill, 1986
Buku Teks
Porter, Alan
Reading, Mass.: Addison-Wesley, c1985
Buku Teks
Puotinen, C.J.
Holt, Rinehart and Winston, 1983
Buku Teks