International Labour Organization. (2011). OSH management system: A tool for continual improvement. International Labour Organization.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational Labour Organization. OSH Management System: A Tool for Continual Improvement. Geneva: International Labour Organization, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रInternational Labour Organization. OSH Management System: A Tool for Continual Improvement. International Labour Organization, 2011.
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