Não informado. (1977). Plastics and Rubber International. Plastics and Rubber International.
Lua i Stíl Chicago (17ú heag.)Não informado. Plastics and Rubber International. London: Plastics and Rubber International, 1977.
Lua MLA (8ú heag.)Não informado. Plastics and Rubber International. Plastics and Rubber International, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.