Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1994
UI - Skripsi (Membership)
Eades, Keith M., author
Andi, 2005
Buku Teks
Jobber, David, author
Prentice-Hall, 2000
Buku Teks
Carlin, Gabriel S.
Prentice-Hall, 1962
Buku Teks
Lambert, Brian W., author
American Society for Training & Development, 2009
eBooks