Lockwood, A. H. (2012). The silent epidemic: Coal and the hidden threat to health. MIT Press.
Lua i Stíl Chicago (17ú heag.)Lockwood, Alan H. The Silent Epidemic: Coal and the Hidden Threat to Health. Cambridge, Mass.: MIT Press, 2012.
Lua MLA (9ú heag.)Lockwood, Alan H. The Silent Epidemic: Coal and the Hidden Threat to Health. MIT Press, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.