Lewis, Jordan D., author
Free Press, 1990
Buku Teks
Kuglin, Fred A., author
[American Management Association, ], 2002
eBooks
[Indian Council of World Affairs, Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia], 2014
UI - Makalah dan Kertas Kerja
Haddad, Carol Joyce
Sage Publications, 2002
Buku Teks
Harvard Business School Publishing Corporation, 2002
Buku Teks