by John J. Coyle [and others]
South Western Cengage Learning, 2013
Buku Teks
Harvard Business School Press, 2000
Buku Teks
Blanchard, David
John Wiley & Sons, 2010
Buku Teks
Cohen, Shoshanah, author
McGraw-Hill, 2013
Buku Teks
Arif Indracahya, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2013
UI - Tesis (Membership)