Não informado. (1972). Construction plant and equipment. Morgan Grampian.
Lua i Stíl Chicago (17ú heag.)Não informado. Construction Plant and Equipment. London: Morgan Grampian, 1972.
Lua MLA (8ú heag.)Não informado. Construction Plant and Equipment. Morgan Grampian, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.