Bloomsbury , 2002
Buku Referensi
A & C Black Publishers, 2006
Buku Referensi
Atwood, Christee Gabour
ASTD Press, 2009
Buku Teks
Atwood, Christee Gabour
American Society for Training & Development, 2009
eBooks
Sushma Deshmukh, editor
Jaypee Brothers Medical, 2014
Buku Teks