Não informado. (1971). Landscape Design. Institute of Landscape Design.
Lua i Stíl Chicago (17ú heag.)Não informado. Landscape Design. London: Institute of Landscape Design, 1971.
Lua MLA (8ú heag.)Não informado. Landscape Design. Institute of Landscape Design, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.