Evans, E. W. (1961). The miners of South Wales. University of Wales Press.
Lua i Stíl Chicago (17ú heag.)Evans, Eric Wyn. The Miners of South Wales. Cardiff: University of Wales Press, 1961.
Lua MLA (8ú heag.)Evans, Eric Wyn. The Miners of South Wales. University of Wales Press, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.