W L Hill,Charles. (2016). Global Business Today (8th.). McGraw-Hill Irwin.
Cita Chicago (17th ed.)W L Hill,Charles. Global Business Today. 8th. India: McGraw-Hill Irwin, 2016.
Cita MLA (9th ed.)W L Hill,Charles. Global Business Today. 8th. McGraw-Hill Irwin, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.