Edited by Christopher P. Nemeth
VT : Ashgate, 2008
Buku Teks
Harrington-Mackin, Deborah, author
American Management Association, 2007
eBooks
Heermann, Barry
McGraw-Hill, 1997
Buku Teks
Rizka Giovedi, author
Universitas Indonesia, 2006
UI - Tesis (Membership)
Raihatul Jannah, author
Universitas Indonesia, 2016
UI - Tesis (Membership)