(1981). A bibliography: Land use issues / Burl F. Long.
Lua i Stíl Chicago (17ú heag.)A Bibliography: Land Use Issues / Burl F. Long. 1981.
Lua MLA (9ú heag.)A Bibliography: Land Use Issues / Burl F. Long. 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.