Loomis, Mary E.S., author
Prentice-Hall, 1983
Buku Teks
Stallings, William, author
Prentice-Hall, 1994
Buku Teks
Sheingold, Abraham, author
D. Van Nostrand, 1951
Buku Teks
Heijer, P.C. den, author
Elex Media Komputindo, 1987
Buku Teks
Murphy, Herta A., author
McGraw-Hill , 1984
Buku Teks