BAWA H.S. (1986). MATERIALS AND METALLURGY. TATA MC GRAW HILL.
Lua i Stíl Chicago (17ú heag.)BAWA H.S. MATERIALS AND METALLURGY. TATA MC GRAW HILL, 1986.
Lua MLA (9ú heag.)BAWA H.S. MATERIALS AND METALLURGY. TATA MC GRAW HILL, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.