Schidrowitz, P. (1911). Rubber. Methuen & co., ltd.
Lua i Stíl Chicago (17ú heag.)Schidrowitz, Philip. Rubber. London: Methuen & co., ltd, 1911.
Lua MLA (8ú heag.)Schidrowitz, Philip. Rubber. Methuen & co., ltd, 1911.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.