Harvard business review on breakthrough leadership
by Daniel Goleman ... [and others]
Harvard Business School Press, 2001
 Buku Teks
Harvard business review on leadership at the top
Harvard Business School, 2003
 Buku Teks
Kalashnikov, Mikhail
The gun that changed the world
Polity Press, 2007
 Buku Teks
Castleden, Rodney
Inventions that changed the world
Chartwell Books, 2007
 Buku Teks
Reichold, Klaus
Buildings that changed the world
Prestel, 2004
 Buku Teks