Gleim, Irvin N., author
John Wiley & Sons, 1984
Buku Teks
Luther, William M., author
American Management Association;, 2011
eBooks
Luther, William M., author
American Management Association;, 2011
eBooks
Gewirtz, Herman, author
Barron`s, 1994
Buku Teks
Stapleton, John
Gower Press, 1974
Buku Teks