Stein, Guido, author
Emerald, 2018
eBooks
Achua, Christopher F., author
South Western Cengage Learning, 2013
Buku Teks
Broadwell, Martin M.
CBI, 1979
Buku Teks
Pfeffer, Jeffrey, author
Harvard Business School Press, 2007
Buku Teks
American Management Association, 1957
Buku Teks