Oliverio, Mary Ellen, 1926-, author
South Western Cengage Learning, 2013
Buku Teks
Pritchard, J.A.T.
The National Computing Centre, 1985
Buku Teks
FitzGerald, Jerry, author
Wiley, 1996
Buku Teks
Westerman, John
Bumi Aksara, 1994
Buku Teks
Terry, George Robert, author
Richard D. Irwin, 1975
Buku Teks