Salacuse, Jeswald W., author
American Management Association;, 2008
eBooks
Harris, Charles Edison
Van Nostrand Reinhold, 1983
Buku Teks
Klotz. James M., author
Kluwer, 2008
Buku Teks
Scott, Bill, author
Pustaka Binaman Pressindo, 1991
Buku Teks
Michael Soon Lee with Sensei Grant Tabuchi
American Management Association, 2007
eBooks