Não informado. (1937). Cement and Lime Manufacture. Cement and Concrete Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Cement and Lime Manufacture. London: Cement and Concrete Association, 1937.
Lua MLA (8ú heag.)Não informado. Cement and Lime Manufacture. Cement and Concrete Association, 1937.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.