Reinforced Plastics Congress Brighton & British Plastics Federation. Reinforced Plastics Group. (1974). The challenge of reinforced plastics. Reinforced Plastic Group, British Plastics Federation.
Lua i Stíl Chicago (17ú heag.)Reinforced Plastics Congress Brighton agus British Plastics Federation. Reinforced Plastics Group. The Challenge of Reinforced Plastics. London: Reinforced Plastic Group, British Plastics Federation, 1974.
Lua MLA (8ú heag.)Reinforced Plastics Congress Brighton agus British Plastics Federation. Reinforced Plastics Group. The Challenge of Reinforced Plastics. Reinforced Plastic Group, British Plastics Federation, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.