Conn, S. (2006). Metropolitan Philadelphia: Living with the presence of the past. University of Pennsylvania Press.
Lua i Stíl Chicago (17ú heag.)Conn, Steven. Metropolitan Philadelphia: Living with the Presence of the Past. Philadelphia: University of Pennsylvania Press, 2006.
Lua MLA (9ú heag.)Conn, Steven. Metropolitan Philadelphia: Living with the Presence of the Past. University of Pennsylvania Press, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.