Adler, Hans A., author
Indiana University Press, 1971
Buku Teks
Wohl, Martin, author
Wiley, 1984
Buku Teks
Jack J. Phillips, Darelyn "DJ" Mitscm, editor
[American Society for Training & Development Press, American Society for Training & Development Press], 2002
eBooks
Phillips,Patricia Pulliam, author
American Society for Training & Development, 2012
eBooks
Besty Priyandhini, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2012
UI - Tesis Open