Institution, 8. B. S., & Standardization, I. O. f. Safety of earth-moving machinery.
Chicago-viite (17. p.)Institution, 8096 British Standards, ja International Organization for Standardization. Safety of Earth-moving Machinery.
MLA-viite (9. p.)Institution, 8096 British Standards, ja International Organization for Standardization. Safety of Earth-moving Machinery.
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