Graedel, T. (1996). Design for environment. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Graedel, T.E. Design for Environment. Prentice-Hall, 1996.
Lua MLA (8ú heag.)Graedel, T.E. Design for Environment. Prentice-Hall, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.