Não informado. (1901). Journal and Proceedings of the Institution of Sewage Purification. Institute of Sewage and Purification.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal and Proceedings of the Institution of Sewage Purification. London: Institute of Sewage and Purification, 1901.
Lua MLA (8ú heag.)Não informado. Journal and Proceedings of the Institution of Sewage Purification. Institute of Sewage and Purification, 1901.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.