Não informado. (1976). TRANSACTIONS. Institute of British Geographers.
Lua i Stíl Chicago (17ú heag.)Não informado. TRANSACTIONS. London: Institute of British Geographers, 1976.
Lua MLA (8ú heag.)Não informado. TRANSACTIONS. Institute of British Geographers, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.