Não informado. (1962). Cis information sheet. International Occupational Safety and Health Information Centre.
Cita Chicago Style (17a ed.)Não informado. Cis Information Sheet. Geneva, Suíça: International Occupational Safety and Health Information Centre, 1962.
Cita MLA (8a ed.)Não informado. Cis Information Sheet. International Occupational Safety and Health Information Centre, 1962.
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