Pyke, F., & Sengenberger, W. (1992). Industrial districts and local economic regeneration. International Institute for Labour Studies.
Chicago-viite (17. p.)Pyke, F., ja Werner Sengenberger. Industrial Districts and Local Economic Regeneration. Geneva: International Institute for Labour Studies, 1992.
MLA-viite (9. p.)Pyke, F., ja Werner Sengenberger. Industrial Districts and Local Economic Regeneration. International Institute for Labour Studies, 1992.
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