by Roger G. Clarke ... [and others]
Richard D. Irwin, 1990
Buku Teks
Allen, David, author
Crest Publishing House, 2002
Buku Teks
David, Fred R., author
Prentice-Hall, 1997
Buku Teks
David, Fred R., author
Prentice-Hall, 1995
Buku Teks
Sharplin, Arthur, author
McGraw-Hill, 1985
Buku Teks