Blunden, J. (1985). Mineral resources and their management. Longman.
Lua i Stíl Chicago (17ú heag.)Blunden, John. Mineral Resources and Their Management. London: Longman, 1985.
Lua MLA (9ú heag.)Blunden, John. Mineral Resources and Their Management. Longman, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.