Miller, Charles D., author
Pearson Education, 2009
Multimedia
Rosenberg, R. Robert, author
Greg and Comm, 1975
Buku Teks
Butterworth-Heinemann, 2013
eBooks
Fowler, F. Parker, author
John Wiley & Sons, 1962
Buku Teks
Pintel, Gerald, author
Prentice-Hall, 1989
Buku Teks