International Labor Office. (1959). The international standardisation of labour statistics. ILO.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational Labor Office. The International Standardisation of Labour Statistics. Geneva: ILO, 1959.
एमएलए (9वां संस्करण) प्रशस्ति पत्रInternational Labor Office. The International Standardisation of Labour Statistics. ILO, 1959.
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