Não informado. (1962). Cis information sheet. International Occupational Safety and Health Information Centre.
Chicago-viite (17. p.)Não informado. Cis Information Sheet. Geneva, Suíça: International Occupational Safety and Health Information Centre, 1962.
MLA-viite (8. p.)Não informado. Cis Information Sheet. International Occupational Safety and Health Information Centre, 1962.
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