Garber, Peter R., author
ASTD Press, 2011
Buku Teks
Garber, Peter R., author
American Society for Training & Development, 2011
eBooks
Cook, Marshall J., author
McGraw-Hill, 2003
Buku Teks
Fadhlurrahman, author
Fakultas Ilmu Administrasi Universitas Indonesia, 2019
UI - Skripsi (Membership)
Chen, Chris W., author
[American Society for Training and Development Press;, ], 2003
eBooks