Watson, C. J., & Billingsley, P. j. a. (1990). Statistics for Management and Economics (4th.). Allyn and Bacon.
Dyfyniad Arddull ChicagoWatson, Collin J., and Patrick joined author Billingsley. Statistics for Management and Economics. 4th. Boston: Allyn and Bacon, 1990.
Dyfyniad MLAWatson, Collin J., and Patrick joined author Billingsley. Statistics for Management and Economics. 4th. Allyn and Bacon, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.