Kemp, S. M. (2004). Business statistics demystified. New York: McGraw-Hill.
Dyfyniad Arddull ChicagoKemp, Steven M. Business Statistics Demystified. New York: McGraw-Hill, 2004.
Dyfyniad MLAKemp, Steven M. Business Statistics Demystified. New York: McGraw-Hill, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.