John Wiley & Sons, 1997
Buku Teks
Carrison, Dan, author
[American Management Association, ], 2003
eBooks
Kohn, Howard
Simon & Schuster , 1998
Buku Teks
Hanny Arshita, author
2008
UI - Tesis (Open)
Filicia Sali, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
UI - Skripsi (Membership)