(1935). Vol. 13, № 8 (Vol. 27, № 14); Industrial and Engineering Chemistry. New Edition. 1935.
Dyfyniad Arddull ChicagoVol. 13, № 8 (Vol. 27, № 14); Industrial and Engineering Chemistry. New Edition. 1935, 1935.
Dyfyniad MLAVol. 13, № 8 (Vol. 27, № 14); Industrial and Engineering Chemistry. New Edition. 1935, 1935.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.