Heijer, P.C. den, author
Elex Media Komputindo, 1987
Buku Teks
Loomis, Mary E.S., author
Prentice-Hall, 1983
Buku Teks
Stallings, William, author
Prentice-Hall, 1994
Buku Teks
Stallings, William, author
Macmillan, 1988
Buku Teks
Held, Gilbert, author
McGraw-Hill, 1983
Buku Teks