Statistics for business and economics / Paul Newbold ; William L. Carlson ; Betty M. Thorne. (2004). Upper Saddle River, NJ: Prentice-Hall, c.
Statistics for business and economics / Paul Newbold ; William L. Carlson ; Betty M. Thorne. 5th ed.. Upper Saddle River, NJ: Prentice-Hall, c, 2004. Buku Wajib.