Cook, Mark, author
Wiley-Blackwell, 2009
Buku Teks
Klinvex, Kevin C.
McGraw-Hill , 1999
Buku Teks
Holdsworth, Roger F., author
Brithis Institute of Management, 1972
Buku Teks
Evandra Ricky Prakasa Subagyo, Author
2016
UI - Skripsi (Membership)
Harvard Business School Press , 2004
Buku Teks