Gaston, K. J. (2010). Urban ecology. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Gaston, Kevin J. Urban Ecology. Cambridge: Cambridge University Press, 2010.
Lua MLA (9ú heag.)Gaston, Kevin J. Urban Ecology. Cambridge University Press, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.