Adkins, R. T. (1989). Information sources in polymers and plastics. Bowker - Saur.
Dyfyniad Arddull ChicagoAdkins, R T. Information Sources in Polymers and Plastics. London: Bowker - Saur, 1989.
Dyfyniad MLAAdkins, R T. Information Sources in Polymers and Plastics. Bowker - Saur, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.