Tor Dm̀aso & BSI Standards publications. Occupational health and safety management systems , OHSAS 18001,1999.
Citace podle Chicago (17th ed.)Tor Dm̀aso a BSI Standards publications. Occupational Health and Safety Management Systems , OHSAS 18001,1999.
Citace podle MLA (9th ed.)Tor Dm̀aso a BSI Standards publications. Occupational Health and Safety Management Systems , OHSAS 18001,1999.
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