Webber, R. J. (1975). Liverpool social area study 1971 data: Final report. Planning Research Applications Group, Centre for Environmental Studies.
Lua i Stíl Chicago (17ú heag.)Webber, R. J. Liverpool Social Area Study 1971 Data: Final Report. London: Planning Research Applications Group, Centre for Environmental Studies, 1975.
Lua MLA (8ú heag.)Webber, R. J. Liverpool Social Area Study 1971 Data: Final Report. Planning Research Applications Group, Centre for Environmental Studies, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.