United States. Dept. of Housing and Urban Development. Environmental Planning Division. (1970). Airport environs: Land use controls. The Department.
Lua i Stíl Chicago (17ú heag.)United States. Dept. of Housing and Urban Development. Environmental Planning Division. Airport Environs: Land Use Controls. Washington: The Department, 1970.
Lua MLA (8ú heag.)United States. Dept. of Housing and Urban Development. Environmental Planning Division. Airport Environs: Land Use Controls. The Department, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.