Douglas Flinn, A. Waterworks handbook.
Lua i Stíl Chicago (17ú heag.)Douglas Flinn, Alfred. Waterworks Handbook.
Lua MLA (8ú heag.)Douglas Flinn, Alfred. Waterworks Handbook.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.