Othmer, K. (1938). Encyclopedia of chemical technology (2nd ed.). Wiley Interscience.
Dyfyniad Arddull ChicagoOthmer, Kirk. Encyclopedia of Chemical Technology. 2nd ed. New York: Wiley Interscience, 1938.
Dyfyniad MLAOthmer, Kirk. Encyclopedia of Chemical Technology. 2nd ed. Wiley Interscience, 1938.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.