(1978). ILO conventions ratified by the Philippine government. Institute of Labor and Manpower Studies.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रILO Conventions Ratified by the Philippine Government. Manila: Institute of Labor and Manpower Studies, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रILO Conventions Ratified by the Philippine Government. Institute of Labor and Manpower Studies, 1978.
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