Ferrell, O. C. (2008). Business: A changing world. Boston: McGraw-Hill/Irwin.
Trích dẫn kiểu ChicagoFerrell, O. C. Business: A Changing World. Boston: McGraw-Hill/Irwin, 2008.
Deismireacht MLAFerrell, O. C. Business: A Changing World. Boston: McGraw-Hill/Irwin, 2008.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.