Drucker, Peter Ferdinand, 1909-2005
Harvard Business Review Book, 2008
Buku Teks
Stapleton, James F.
Erlangga, 2003
Buku Teks
Prerau, Sydney
McGraw-Hill, 1960
Buku Teks
Linder, Jane C.
American Management Association, 2008
eBooks
Ebert, Ronald J.
Prentice-Hall, 1998
Buku Teks