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Dyfyniad Arddull ChicagoSaville, David J., and Graham R. Wood. Statistical Methods: The Geometric Approach. New York: Springer-Verlag, 1991.
Dyfyniad MLASaville, David J., and Graham R. Wood. Statistical Methods: The Geometric Approach. Springer-Verlag, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.