Hedges, Roy, author
grolier International, 1997
Buku Teks
John B. Caouette, author
John Wiley & Sons Inc, 2008
Buku Teks
Sitompul, Riana Maretha Elisabeth, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
UI - Tesis Membership
Sri Dini Indarini, author
Universitas Indonesia, 2005
UI - Tesis Membership
Heru Wirawan Chandra, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2013
UI - Tesis Membership