International Labour Organisation & International Labour Office. Occupational safety and health series. International Labour Office,.
Цитирование в стиле Чикаго (17-е изд.)International Labour Organisation и International Labour Office. Occupational Safety and Health Series. Geneva: International Labour Office,.
Цитирование MLA (8-е изд.)International Labour Organisation и International Labour Office. Occupational Safety and Health Series. International Labour Office,.
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