Christopher, Martin
Prentice-Hall, 2005
Buku Teks
Donald J. Bowersox [and three others]
McGraw-Hill, 2013
Buku Teks
Chopra, Sunil, 1960-
Prentice-Hall, 2001
Buku Teks
Neef, Dale
[American Management Association, ], 2004
eBooks
Reyer, Pedro M.
McGraw-Hill, 2011
Buku Teks