Não informado. (2019). Building Materials Digest. Leonard Hill Technical Group.
Lua i Stíl Chicago (17ú heag.)Não informado. Building Materials Digest. London: Leonard Hill Technical Group, 2019.
Lua MLA (8ú heag.)Não informado. Building Materials Digest. Leonard Hill Technical Group, 2019.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.