Pyke, F., & Sengenberger, W. (1992). Industrial districts and local economic regeneration. International Institute for Labour Studies.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPyke, F., और Werner Sengenberger. Industrial Districts and Local Economic Regeneration. Geneva: International Institute for Labour Studies, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPyke, F., और Werner Sengenberger. Industrial Districts and Local Economic Regeneration. International Institute for Labour Studies, 1992.
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