Não informado. (1962). European Chemical News. Reed Business Publishing.
Lua i Stíl Chicago (17ú heag.)Não informado. European Chemical News. Surrey, Inglaterra: Reed Business Publishing, 1962.
Lua MLA (8ú heag.)Não informado. European Chemical News. Reed Business Publishing, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.