Não informado. (2019). The Mining Journal, Annual Review. Mining Journal.
Lua i Stíl Chicago (17ú heag.)Não informado. The Mining Journal, Annual Review. London: Mining Journal, 2019.
Lua MLA (8ú heag.)Não informado. The Mining Journal, Annual Review. Mining Journal, 2019.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.