Othmer, D. F., & Kirk, R. E. (1978). Encyclopedia of Chemical Technology (3rd ed.). Wiley Eastern.
Dyfyniad Arddull ChicagoOthmer, Donald Frederick, and Raymond Eller Kirk. Encyclopedia of Chemical Technology. 3rd ed. New York: Wiley Eastern, 1978.
Dyfyniad MLAOthmer, Donald Frederick, and Raymond Eller Kirk. Encyclopedia of Chemical Technology. 3rd ed. Wiley Eastern, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.