Tague, Nancy R., author
ASQ Quality Press, 2005
Buku Teks
Chasen,Everett, author
American Society for Training & Development, 2012
eBooks
Soewarso Hardjosoedarmo, author
Andi, 1997
Buku Teks
Soewarso Hardjosoedarmo, author
Andi, 2001
Buku Teks
Gitlow, Howard S., author
The McGraw-Hill, 2005
Multimedia