Não informado. (1939). Tin and its uses. International Tin Research Institute.
Lua i Stíl Chicago (17ú heag.)Não informado. Tin and Its Uses. London: International Tin Research Institute, 1939.
Lua MLA (8ú heag.)Não informado. Tin and Its Uses. International Tin Research Institute, 1939.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.