Hunger, J. David, 1941-, author
Addison-Wesley, 1996
Buku Teks
Martocchio, Joseph J., author
Prentice-Hall, 2001
Buku Teks
Bradley, Frank, author
John Wiley & Sons, Ltd, 2003
Buku Teks
David, Fred R.
Merill, 1989
Buku Teks
Dess, Gregory G., author
McGraw-Hill, 1993
Buku Teks