Não informado. (1956). British chemical engineering. Engineering, Chemical and Marine Press.
Lua i Stíl Chicago (17ú heag.)Não informado. British Chemical Engineering. London: Engineering, Chemical and Marine Press, 1956.
Lua MLA (8ú heag.)Não informado. British Chemical Engineering. Engineering, Chemical and Marine Press, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.