Jones, Gareth R., author
McGraw-Hill, 2006
Multimedia
Ian Beardwell, Len Holden
Prentice-Hall, 2001
Buku Teks
Beehler, Paul J.
John Wiley & Sons, 1983
Buku Teks
Robbins, Stephen P., author
Prentice-Hall, 1997
Buku Teks
Hitt, Michael A., author
Pearson, 2009
Buku Teks