David, Fred R., author
Pearson, 2009
Buku Teks
Wright, Peter, author
Prentice-Hall, 1998
Buku Teks
Dess, Gregory G., author
McGraw-Hill/Irwin, 2004
Buku Teks
Dess, Gregory G., author
MCGraw-Hill , 2004
Multimedia
David, Fred R., author
Prentice-Hall, 2001
Buku Teks