Moffitt, Sean
McGraw-Hill , 2011
Buku Teks
Puranam, Phanish, author
Cambridge University Press, 2016
Buku Teks
Harvard Business School Press, 1999
Buku Teks
Josh Leibner, Gershon Mader, Alan Weiss
American Management Association;, 2009
eBooks
Steele, Paul
McGraw-Hill Book , 1996
Buku Teks