Gallo, Carmine, 1965-, author
McGraw-Hill , 2011
Buku Teks
Dundon, Elaine, author
American Management Association, 2002
eBooks
Burkus, David, 1983-, author
Jossey-Bass, 2014
Buku Teks
Phillips, Jeffrey, author
McGraw-Hill, 2012
Buku Teks
Burgelman, Robert A., author
Collier-Macmillan, 1986
Buku Teks