BEER, F. (1990). VECTOR MECHANICS FOR ENGINEERS. MCGRAW HILL INTERNATIONAL.
Lua i Stíl Chicago (17ú heag.)BEER, FERDINAND. VECTOR MECHANICS FOR ENGINEERS. SINGAPORE: MCGRAW HILL INTERNATIONAL, 1990.
Lua MLA (9ú heag.)BEER, FERDINAND. VECTOR MECHANICS FOR ENGINEERS. MCGRAW HILL INTERNATIONAL, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.