Não informado. (1963). Occupational safety and health abstracts. International Occupational Safety and Health Information Centre.
Citação do estilo Chicago (17ª ed.)Não informado. Occupational Safety and Health Abstracts. Geneva, Suíça: International Occupational Safety and Health Information Centre, 1963.
Citação MLA (8ª ed.)Não informado. Occupational Safety and Health Abstracts. International Occupational Safety and Health Information Centre, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.