Darke, R. (1969). Report on the seminar "Urban sociology and planning" sponsored and held at the C.E.S., 1st April 1969. Centre for Environmental Studies.
Lua i Stíl Chicago (17ú heag.)Darke, Roy. Report on the Seminar "Urban Sociology and Planning" Sponsored and Held at the C.E.S., 1st April 1969. London: Centre for Environmental Studies, 1969.
Lua MLA (8ú heag.)Darke, Roy. Report on the Seminar "Urban Sociology and Planning" Sponsored and Held at the C.E.S., 1st April 1969. Centre for Environmental Studies, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.