Spiegel, M. (1972). Theory and problems of statistics. McGraw Hill.
Dyfyniad Arddull ChicagoSpiegel, Murray. Theory and Problems of Statistics. NewYork: McGraw Hill, 1972.
Dyfyniad MLASpiegel, Murray. Theory and Problems of Statistics. McGraw Hill, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.