Treloar, R. (2000). Plumbing heating and gas installationsR D Treloar. Blacwell Science.
Lua i Stíl Chicago (17ú heag.)Treloar, R.D. Plumbing Heating and Gas InstallationsR D Treloar. Blacwell Science, 2000.
Lua MLA (8ú heag.)Treloar, R.D. Plumbing Heating and Gas InstallationsR D Treloar. Blacwell Science, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.