Institute of British Geographers. Population Geography Study Group. (2002). International Journal of Population Geography. Wiley.
Lua i Stíl Chicago (17ú heag.)Institute of British Geographers. Population Geography Study Group. International Journal of Population Geography. Chichester, Inglaterra: Wiley, 2002.
Lua MLA (8ú heag.)Institute of British Geographers. Population Geography Study Group. International Journal of Population Geography. Wiley, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.