Jenks, W. Encyclopaedia of occupational health and safety. International Labour Office.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJenks, Wilfred. Encyclopaedia of Occupational Health and Safety. Geneva: International Labour Office.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJenks, Wilfred. Encyclopaedia of Occupational Health and Safety. International Labour Office.
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