PARKER, H. (1984). Simplified Engineering For Architects And Builders. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)PARKER, Harry. Simplified Engineering For Architects And Builders. John Wiley & Sons, 1984.
Lua MLA (8ú heag.)PARKER, Harry. Simplified Engineering For Architects And Builders. John Wiley & Sons, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.