Penn, W. (1966). GRP technology: Handbook to the polyester/glass fibre plastics industry. Maclaren.
Chicago Edition CitationPenn, W.S. GRP Technology: Handbook to the Polyester/glass Fibre Plastics Industry. London: Maclaren, 1966.
Deismireacht MLAPenn, W.S. GRP Technology: Handbook to the Polyester/glass Fibre Plastics Industry. Maclaren, 1966.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.