Watson, & Billingsley. (1999). Statistics for management and economics. Pacific Grove; London: Duxbury Press.
Trích dẫn kiểu ChicagoWatson, và Billingsley. Statistics for Management and Economics. Pacific Grove; London: Duxbury Press, 1999.
Deismireacht MLAWatson, và Billingsley. Statistics for Management and Economics. Pacific Grove; London: Duxbury Press, 1999.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.