Edited by J. Stephen Parker
Mansell Pub, 1986
Buku Teks
Radu Calinescu, editor
Springer, 2012
eBooks
Paul Samuels
CRC Press, 2009
Buku Teks
Scott, Beverly, author
American Society for Training & Development, 2011
eBooks
Dimarzio, J.F., author
Sams, 2001
Buku Teks