PREECE, R. (1991). Designs On The Lansdscape. Belhaven Press.
Lua i Stíl Chicago (17ú heag.)PREECE, R.A. Designs On The Lansdscape. Belhaven Press, 1991.
Lua MLA (8ú heag.)PREECE, R.A. Designs On The Lansdscape. Belhaven Press, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.