Staff of modern plastics magazine. (1994). Plastics handbook. McGraw -Hill.
Dyfyniad Arddull ChicagoStaff of modern plastics magazine. Plastics Handbook. NewYork: McGraw -Hill, 1994.
Dyfyniad MLAStaff of modern plastics magazine. Plastics Handbook. McGraw -Hill, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.