Kirk, R. E., Othmer, D. F., Kroschwitz, J. I., & Howe-Grant, M. (1991). Encyclopedia of chemical technology (4th ed.). New York: John Wiley & Sons.
Παραπομπή Chicago StyleKirk, Raymond Eller, Donald Frederick Othmer, Jacqueline I. Kroschwitz, and Mary Howe-Grant. Encyclopedia of Chemical Technology. 4th ed. New York: John Wiley & Sons, 1991.
Παραπομπή MLAKirk, Raymond Eller, Donald Frederick Othmer, Jacqueline I. Kroschwitz, and Mary Howe-Grant. Encyclopedia of Chemical Technology. 4th ed. New York: John Wiley & Sons, 1991.
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