International Labour Organisation Programme of Industrial Activities. (1977). Employment Consequences of Scientific, technological and Structural Developments in the Metal Trades of Industrialised and Developing Countries: Metal Trades Committee. Geneva: International Labour office.
Chicago Style citaatInternational Labour Organisation Programme of Industrial Activities. Employment Consequences of Scientific, Technological and Structural Developments in the Metal Trades of Industrialised and Developing Countries: Metal Trades Committee. Geneva: International Labour office, 1977.
MLA citatieInternational Labour Organisation Programme of Industrial Activities. Employment Consequences of Scientific, Technological and Structural Developments in the Metal Trades of Industrialised and Developing Countries: Metal Trades Committee. Geneva: International Labour office, 1977.