Derven, R. (1982). Planning and building vacation homes. Ideals.
Lua i Stíl Chicago (17ú heag.)Derven, Ronald. Planning and Building Vacation Homes. Ideals, 1982.
Lua MLA (8ú heag.)Derven, Ronald. Planning and Building Vacation Homes. Ideals, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.