Cita APA (7a ed.)

FERRELL, O. C., & HIRT, G. (2003). Business: A changing world.-- ed.4. McGraw-Hill irwin.

Cita Chicago Style (17a ed.)

FERRELL, O. C., y Geoffrey HIRT. Business: A Changing World.-- Ed.4. Boston: McGraw-Hill irwin, 2003.

Cita MLA (9a ed.)

FERRELL, O. C., y Geoffrey HIRT. Business: A Changing World.-- Ed.4. McGraw-Hill irwin, 2003.