Não informado. (1964). Design engineering, materials and components. Product Journals.
Lua i Stíl Chicago (17ú heag.)Não informado. Design Engineering, Materials and Components. London: Product Journals, 1964.
Lua MLA (8ú heag.)Não informado. Design Engineering, Materials and Components. Product Journals, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.