Levesque, Joseph D., author
Prentice-Hall, 1996
Buku Referensi
King, Emily, 1985-, author
Amacom, 2012
Buku Teks
King, Emily, 1965- , author
[American Management Association;, ], 2012
eBooks
Cowan, Stella Louise, author
American Society for Training & Development Press, 2000
eBooks
Levine, Charles I., author
American Society for Training and Development Press, 2001
eBooks