Mark, H. F. (1988). Encyclopedia of Polymer Science and Engineering.V.12. John Wiley and Sons.
Dyfyniad Arddull ChicagoMark, Herman F. Encyclopedia of Polymer Science and Engineering.V.12. N.York: John Wiley and Sons, 1988.
Dyfyniad MLAMark, Herman F. Encyclopedia of Polymer Science and Engineering.V.12. John Wiley and Sons, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.