Mathieson, Rick, author
[American Management Association;, ], 2010
eBooks
Taub, Alexander, author
McGraw-Hill Education, 2014
Buku Teks
Czinkota, Michael R., author
Business expert , 2010
Buku Teks
McGraw-Hill, [date of publication not identified]
Buku Teks
Kotler, Philip, author
Wiley, 2012
Buku Teks