Não informado. (1954). Papers of the Regional Science Association. Regional Science Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Papers of the Regional Science Association. Philadelphia, Pa: Regional Science Association, 1954.
Lua MLA (8ú heag.)Não informado. Papers of the Regional Science Association. Regional Science Association, 1954.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.