Kinlaw, Dennis C.
McGraw-Hill, 1996
Buku Teks
Biech, Elaine
ASTD press, 2009
Buku Teks
Biech, Elaine.
ASTD Press, 2009
Multimedia
Biech, Elaine.
ASTD Press, 2009
Multimedia
Patricia Pulliam Phillips, editor
American Society for Training & Development, 2010
eBooks