American Institute of Mining Engineers. (2020). Engineering and Mining Journal. Western & Company.
Lua i Stíl Chicago (17ú heag.)American Institute of Mining Engineers. Engineering and Mining Journal. New York: Western & Company, 2020.
Lua MLA (8ú heag.)American Institute of Mining Engineers. Engineering and Mining Journal. Western & Company, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.