International Labor Office. (1952). Social security: Achievements and future policy.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational Labor Office. Social Security: Achievements and Future Policy. Geneva, 1952.
एमएलए (9वां संस्करण) प्रशस्ति पत्रInternational Labor Office. Social Security: Achievements and Future Policy. 1952.
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