Não informado. (1966). Geographical abstracts. Geo Abstracts.
Lua i Stíl Chicago (17ú heag.)Não informado. Geographical Abstracts. London: Geo Abstracts, 1966.
Lua MLA (8ú heag.)Não informado. Geographical Abstracts. Geo Abstracts, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.