Harvard Business School Press , 2001
Buku Teks
Rowe, Kim A., author
American Society for Training & Development, 2010
eBooks
Hayles, V. Robert, author
McGraw-Hill , 1997
Buku Teks
Harvard Business School Press, 1999
Buku Teks
Bell, Myrtle P., author
SOUTH-WESTERN, CENGAGE Learning, 2012
Buku Teks