Não informado. (1975). International Regional Science Review. Regional Science Association.
Lua i Stíl Chicago (17ú heag.)Não informado. International Regional Science Review. Philadelphia, Pa: Regional Science Association, 1975.
Lua MLA (8ú heag.)Não informado. International Regional Science Review. Regional Science Association, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.