CCH Australia Limited, 1991
Buku Teks
Davis, Gordon B., author
Business One Irwin, 1993
Buku Referensi
Elisabeth Imelda, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2010
UI - Tesis (Open)
Johnston, Robert E., author
American Management Association, 2003
eBooks
Johnston, Robert E., author
American Management Association;, 2013
eBooks