DeBord, D. D., & Dunbar, T. R. (1985). Earth-sheltered landscapes: Site considerations for earth-sheltered environments. Van Nostrand Reinhold.
Lua i Stíl Chicago (17ú heag.)DeBord, David Douglas, agus Thomas R. Dunbar. Earth-sheltered Landscapes: Site Considerations for Earth-sheltered Environments. New York: Van Nostrand Reinhold, 1985.
Lua MLA (9ú heag.)DeBord, David Douglas, agus Thomas R. Dunbar. Earth-sheltered Landscapes: Site Considerations for Earth-sheltered Environments. Van Nostrand Reinhold, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.