George M. Piskurich, editor in chief
McGraw-Hill, 1993
Buku Referensi
Elaine Biech, editor
American Society for Training & Development, 2010
eBooks
Elaine Biech, editor
American Management Association, 2008
eBooks
Patricia Pulliam Phillips, editor
American Society for Training & Development, 2010
eBooks
Lisa Haneberg, editor
American Society for Training & Development, 2012
eBooks