Maier, Henry W
Random House, 1966
Buku Teks
Kouzes, James M., author
Jossey-bass, 2012
Buku Teks
White, B. Joseph, author
American Management Association, 2007
eBooks
Mahathir bin Mohamad, 1925-, author
Pelanduk Publications, 1986
Buku Teks
Arif Budimanta, author
ICSD (Indonesia Center for Sustainable Development), 2005
Buku Teks