Institution, 8. B. S., & Standardization, I. O. f. Safety of earth-moving machinery.
Lua i Stíl Chicago (17ú heag.)Institution, 8096 British Standards, agus International Organization for Standardization. Safety of Earth-moving Machinery.
Lua MLA (9ú heag.)Institution, 8096 British Standards, agus International Organization for Standardization. Safety of Earth-moving Machinery.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.