Reynolds, H.T., author
The Free Press, 1977
Buku Teks
Hanandi Rahmad Syahputra, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2020
UI - Tesis (Membership)
Subandi Djajengwasito
Cornell University, 1975
Buku Teks
Olga Aikin
IPM, 1994
Buku Teks
Clarke, Linda, author
Institute of Personnel and Development, 1993
Buku Teks