Não informado. (2018). Progress in Geography. Edward Arnold.
Lua i Stíl Chicago (17ú heag.)Não informado. Progress in Geography. London: Edward Arnold, 2018.
Lua MLA (8ú heag.)Não informado. Progress in Geography. Edward Arnold, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.