Não informado. (2012). Water and Sewage. Monetary Times Print.
Lua i Stíl Chicago (17ú heag.)Não informado. Water and Sewage. Toronto, Canada: Monetary Times Print, 2012.
Lua MLA (8ú heag.)Não informado. Water and Sewage. Monetary Times Print, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.