Mann, P. (1965). Urban sociology. Routledge.
Lua i Stíl Chicago (17ú heag.)Mann, Peter. Urban Sociology. London: Routledge, 1965.
Lua MLA (9ú heag.)Mann, Peter. Urban Sociology. Routledge, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.