Hon, David
John Wiley & Sons, 1980
Buku Teks
Munter, Mary
Prentice-Hall, 2002
Buku Teks
Estop, Tora
[American Society for Training and Development Press;, ], 2005
eBooks
edited by Hannah Brown, Adam Reed and Thomas Yarrow.
John Wiley & Sons, 2017
Buku Teks
Gerstner, Merrill H.
Amacom , 1974
Buku Teks