Não informado. (1960). Geomorphological abstracts. Department of Geography, School of Economics and Political Science.
Lua i Stíl Chicago (17ú heag.)Não informado. Geomorphological Abstracts. London: Department of Geography, School of Economics and Political Science, 1960.
Lua MLA (8ú heag.)Não informado. Geomorphological Abstracts. Department of Geography, School of Economics and Political Science, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.