David E Goldberg. (1999). Schaum's outlines of theory and problems of beginning chemistry. New York: McGraw-Hill.
Dyfyniad Arddull ChicagoDavid E Goldberg. Schaum's Outlines of Theory and Problems of Beginning Chemistry. New York: McGraw-Hill, 1999.
Dyfyniad MLADavid E Goldberg. Schaum's Outlines of Theory and Problems of Beginning Chemistry. New York: McGraw-Hill, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.