Harmon, Paul, author
John Wiley & Sons, 1985
Buku Teks
Davis, Randall, author
Addison-Wesley, 1987
Buku Teks
Davis, Randall, author
Addison-Wesley, 1987
Buku Teks
Walker, Terry, author
The S. Klien News Letter, 1986
Buku Teks
Rolston, David W., author
McGraw-Hill, 1988
Buku Teks