Guffey, Mary Ellen, author
Cengage Learning, 2008
Multimedia
Forsyth, Patrick, author
Institution of Engineering and Technology, 2008
eBooks
Boone, Louis E., author
Prentice-Hall, 1997
Buku Teks
Dwyer, Judith, author
Prentice-Hall, 1993
Buku Referensi
Goldman, James E., author
John Wiley & Sons, 1988
Buku Teks