Gherardi, Silvia, author
Northampton, MA : Edward Elgar, 2012
Buku Teks
Chalofsky, Neal, author
American Society for Training & Development Press, 2001
eBooks
revision consultant, Stew Hickman
[American Society for Training and Development Press, American Society for Training and Development Press], 2001
eBooks
Linda B. Bourque, Evie P. Filelder
Thousand Oaks : SAGE PUBLIKATION, 2003,
Buku Referensi
Waagen, Alice K., author
American Society for Training & Development Press, 2000
eBooks