Frankel, Lois P., author
Gramedia, 2006
Buku Teks
Jenner, Bruce, author
Gramedia, 2005
Buku Teks
Kristin Liu, author
Gramedia Pustaka Utama, 2015
Buku Teks
Maxey, Cindy, author
American Society for Training & Development, 2007
eBooks
Hill, Napoleon, author
Gramedia Pustaka Utama, 2022
Buku Teks