Freedman, D. A. (2005). Statistical models: Theory and practice. Cambridge University Press.
Dyfyniad Arddull ChicagoFreedman, David A. Statistical Models: Theory and Practice. New YorK: Cambridge University Press, 2005.
Dyfyniad MLAFreedman, David A. Statistical Models: Theory and Practice. Cambridge University Press, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.