Spiegel, M. R. (1972). Schaum's outline of theory and problems of statistics in S.I units. McGraw-Hill.
Dyfyniad Arddull ChicagoSpiegel, Murray R. Schaum's Outline of Theory and Problems of Statistics in S.I Units. New York: McGraw-Hill, 1972.
Dyfyniad MLASpiegel, Murray R. Schaum's Outline of Theory and Problems of Statistics in S.I Units. McGraw-Hill, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.