Não informado. (1965). Scottish journal of geology. Scottish Academic Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Scottish Journal of Geology. Edinburgh, Inglaterra: Scottish Academic Press, 1965.
Lua MLA (8ú heag.)Não informado. Scottish Journal of Geology. Scottish Academic Press, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.