Hill, C. W. L. (2004). Global business today (3[rd ed.].). McGraw Hill/Irwin.
Cita Chicago (17th ed.)Hill, Charles W. L. Global Business Today. 3[rd ed.]. Boston: McGraw Hill/Irwin, 2004.
Cita MLA (8th ed.)Hill, Charles W. L. Global Business Today. 3[rd ed.]. McGraw Hill/Irwin, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.