Não informado. (1972). Europlastics monthly. Reed Business Publishing.
Lua i Stíl Chicago (17ú heag.)Não informado. Europlastics Monthly. London: Reed Business Publishing, 1972.
Lua MLA (8ú heag.)Não informado. Europlastics Monthly. Reed Business Publishing, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.