Ehrbar, A. (1998). EVA: The real key to creating wealth. New York: Wiley.
Trích dẫn kiểu ChicagoEhrbar, Al. EVA: The Real Key to Creating Wealth. New York: Wiley, 1998.
Deismireacht MLAEhrbar, Al. EVA: The Real Key to Creating Wealth. New York: Wiley, 1998.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.