Minerals Engineering Society. (1972). Mine and Quarry. Ashire Publishing.
Lua i Stíl Chicago (17ú heag.)Minerals Engineering Society. Mine and Quarry. London: Ashire Publishing, 1972.
Lua MLA (8ú heag.)Minerals Engineering Society. Mine and Quarry. Ashire Publishing, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.