Petras, Kathryn
The premature menopause book : when the change of life comes to early / Kathryn Petras
Avon Book , 1999
 Buku Teks
The sustainable enterprise fieldbook: when it all comes together
edited by Jeana Wirtenberg
American Management Association, 2009
 eBooks
Kotter, John P., 1947-
The heart of change
Harvard Business School Press, 2002
 Buku Teks
Lee, Grossman
The change agent
Amacom, 1974
 Buku Teks
Emerson, Tricia
The change book: change the way you think about change
American Society for Training & Development, 2011
 eBooks