European Centre for the Development of Vocational Training. (1998). Work Programme, 1998-. Office for Official Publications of the European Communities.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEuropean Centre for the Development of Vocational Training. Work Programme, 1998-. Luxembourg: Office for Official Publications of the European Communities, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEuropean Centre for the Development of Vocational Training. Work Programme, 1998-. Office for Official Publications of the European Communities, 1998.
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