Não informado. (1981). International Journal of Cement Composites and Lightweight Concrete. Construction Industry Press.
Lua i Stíl Chicago (17ú heag.)Não informado. International Journal of Cement Composites and Lightweight Concrete. Harlow, Inglaterra: Construction Industry Press, 1981.
Lua MLA (8ú heag.)Não informado. International Journal of Cement Composites and Lightweight Concrete. Construction Industry Press, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.