APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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