Hersey, Paul, author
Pearson, Prentice Hall, 2008
Buku Teks
Kotter, John P., 1947-, author
The Free Press, 1990
Buku Teks
Bernard, Chester I., author
Harvard University Press , 1948
Buku Teks
Ciampa, Dan
Harvard Business School Press, 1999
Buku Teks
Hersey, Paul
Prentice-Hall, 1996
Buku Teks