Douglass, Laura Mae
Mosby, 1984
Buku Teks
Frank, Michael R., author
Amacom, 1980
Buku Teks
Scott, John, author
Spere British Institute of Management, 1984
Buku Teks
Adhi Cahyono, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2011
UI - Tesis (Open)
Weaver, Patricia C., author
Free Press, 1977
Buku Teks