Holtz, Shel, author
[American Management Association, ], 2004
eBooks
Cahyanul Uswah, author
Fakultas Psikologi Universitas Indonesia, 2005
UI - Tesis (Membership)
Thiederman, Sondra
Lexington books, 1991
Buku Teks
Endah Setyarini, author
Fakultas Psikologi Universitas Indonesia, 2015
UI - Tesis (Membership)
Arthur, Diane, author
American Management Association, 1997
eBooks