Spiegel, M. R. (1968). Mathematical handbook of formulas and tables. New York: McGraw-Hill.
Dyfyniad Arddull ChicagoSpiegel, Murray R. Mathematical Handbook of Formulas and Tables. New York: McGraw-Hill, 1968.
Dyfyniad MLASpiegel, Murray R. Mathematical Handbook of Formulas and Tables. New York: McGraw-Hill, 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.