Não informado. (1974). American cartographer. American Congress on Surveying and Mapping.
Lua i Stíl Chicago (17ú heag.)Não informado. American Cartographer. Washington: American Congress on Surveying and Mapping, 1974.
Lua MLA (8ú heag.)Não informado. American Cartographer. American Congress on Surveying and Mapping, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.