Philippines & Philippines. Institute for Labor Studies. (1999). Integrated labor and labor-related laws. Institute of Labor Studies, Department of Labor and Employment.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhilippines और Philippines. Institute for Labor Studies. Integrated Labor and Labor-related Laws. Manila: Institute of Labor Studies, Department of Labor and Employment, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhilippines और Philippines. Institute for Labor Studies. Integrated Labor and Labor-related Laws. Institute of Labor Studies, Department of Labor and Employment, 1999.
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