Harwood, R. (2016). Planning permission. Bloomsbury Professional.
Lua i Stíl Chicago (17ú heag.)Harwood, Richard. Planning Permission. London: Bloomsbury Professional, 2016.
Lua MLA (9ú heag.)Harwood, Richard. Planning Permission. Bloomsbury Professional, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.