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