Pless, Nicola M., author
Springer-Science, 2011
eBooks
Barrett, Deborah J., author
McGraw-Hill , 2014
Buku Teks
Russell, Lou, author
ATD Press, 2015
Buku Teks
Yukl, Gary A., 1940-
Pearson, 2013
Buku Teks
Kouzes, James M., author
Jossey-Bass, 2002
Buku Teks