Boone, Tonya
[American Management Association, ], 2002
eBooks
Bowersox, Donald J.
McGraw-Hill, 2002
Buku Teks
Chopra, Sunil, 1960-
Prentice-Hall, 2001
Buku Teks
Christopher, Martin
Prentice-Hall, 2005
Buku Teks
Bowersox, Donald J.
McGraw-Hill, 2010
Buku Teks