Cooper, R. A., & Weekes, A. J. (1988). Data, models and statistical analysis. Heritage.
Dyfyniad Arddull ChicagoCooper, R A., and A J. Weekes. Data, Models and Statistical Analysis. New Delhi: Heritage, 1988.
Dyfyniad MLACooper, R A., and A J. Weekes. Data, Models and Statistical Analysis. Heritage, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.