Brackman, Rabbi Levi, author
American Management Association;, 2008
eBooks
edited by Peter Krass
John Wiley & Sons, 1997
Buku Teks
Reynolds, Russell S., Jr., author
McGraw-Hill, 2012
Buku Teks
Drucker, Peter F. (Peter Ferdinand), 1909-2005, author
Harvard Business Review Book, 2008
Buku Teks
Johnson, Joseph French
Alexander Hamilton Institute, 1962
Buku Teks