Não informado. (1982). Washington remote sensing letter. National Press Building.
Lua i Stíl Chicago (17ú heag.)Não informado. Washington Remote Sensing Letter. Washington: National Press Building, 1982.
Lua MLA (8ú heag.)Não informado. Washington Remote Sensing Letter. National Press Building, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.