Levinsohn, Stephen H., author
[publisher not identified], 1975
Buku Teks
Tengker, Benny, author
Asmi Publishing, 2009
Buku Teks
Paul F. Kjaer, Gunther Teubner, Alberto Febbrajo, editor
Hart, 2011
Buku Teks
Harvard Business School Press , 1995
Buku Teks
John Wiley & Son , 1996
Buku Teks