Não informado. Power and Fluids. Worthington Corporation.
Lua i Stíl Chicago (17ú heag.)Não informado. Power and Fluids. Harrison, NY: Worthington Corporation.
Lua MLA (8ú heag.)Não informado. Power and Fluids. Worthington Corporation.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.