Wonnacott, T. H., & Wonnacott, R. J. (1972). Introductory statistics for business and economics. John Wiley & Sons.
Dyfyniad Arddull ChicagoWonnacott, Thomas H., and Ronald J. Wonnacott. Introductory Statistics for Business and Economics. New York: John Wiley & Sons, 1972.
Dyfyniad MLAWonnacott, Thomas H., and Ronald J. Wonnacott. Introductory Statistics for Business and Economics. John Wiley & Sons, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.