Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2004
UI - Skripsi (Membership)
Murphy, Margaret, author
American Society for Training & Development, 2008
eBooks
Mitchell, Jennifer K., author
American Society for Training & Development, 2006
eBooks
Williamson, Bobette Hayes
McGraw-Hill, 1996
Buku Teks
Kinlaw, Dennis C.
McGraw-Hill, 1996
Buku Teks