Artikel Jurnal
Library Association Publishing, 1997
Buku Teks
Williamson, Peter J.
Harvard Business School Publishing, 2004
Buku Teks
edited by Charles K. Amstrong [and others]
M.E. Sharpe, 2006
Buku Teks
Kim Hyung-kook, Kom Myongsob, Amiatav Acharya, editor
Yonsei University Press, 2008
Buku Teks