Clark, P. (2009). European cities and towns: 400-2000. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Clark, Peter. European Cities and Towns: 400-2000. Oxford: Oxford University Press, 2009.
Lua MLA (9ú heag.)Clark, Peter. European Cities and Towns: 400-2000. Oxford University Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.