Martin, J. (1969). Elementary science of metals. Wyke ham.
Lua i Stíl Chicago (17ú heag.)Martin, J.W. Elementary Science of Metals. London: Wyke ham, 1969.
Lua MLA (9ú heag.)Martin, J.W. Elementary Science of Metals. Wyke ham, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.