Symposium on an Urban Development Model University of Liverpool, Centre for Environmental Studies (Great Britain), & University of Liverpool. (1971). Papers from the Symposium on an Urban Development Model, University of Liverpool, April 1970. Centre for Environmental Studies.
Παραπομπή σε μορφή Chicago (17η εκδ.)Symposium on an Urban Development Model University of Liverpool, Centre for Environmental Studies (Great Britain), και University of Liverpool. Papers from the Symposium on an Urban Development Model, University of Liverpool, April 1970. London: Centre for Environmental Studies, 1971.
Παραπομπή σε μορφή MLA (8th εκδ.)Symposium on an Urban Development Model University of Liverpool, et al. Papers from the Symposium on an Urban Development Model, University of Liverpool, April 1970. Centre for Environmental Studies, 1971.