GRIMALDI, J. (1996). SAFETY MANAGEMENT. AITBS.
Lua i Stíl Chicago (17ú heag.)GRIMALDI, J.Y. SAFETY MANAGEMENT. DELHI: AITBS, 1996.
Lua MLA (9ú heag.)GRIMALDI, J.Y. SAFETY MANAGEMENT. AITBS, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.