International Labour Office. Training Dept. (1979). Training systems in Eastern Europe: A study of change in the organisation of training in the USSR, Poland and the German Democratic Republic. ILO.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational Labour Office. Training Dept. Training Systems in Eastern Europe: A Study of Change in the Organisation of Training in the USSR, Poland and the German Democratic Republic. Geneva: ILO, 1979.
एमएलए (8वां संस्करण) प्रशस्ति पत्रInternational Labour Office. Training Dept. Training Systems in Eastern Europe: A Study of Change in the Organisation of Training in the USSR, Poland and the German Democratic Republic. ILO, 1979.
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