Spiegel, M. R. (1956). Theory and problems of college algebra. Mc Graw - Hill.
Dyfyniad Arddull ChicagoSpiegel, Murray R. Theory and Problems of College Algebra. New york: Mc Graw - Hill, 1956.
Dyfyniad MLASpiegel, Murray R. Theory and Problems of College Algebra. Mc Graw - Hill, 1956.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.