Pyke, F. (1990). Industrial districts and inter-firm co-operation in Italy. International Institute for Labour Studies.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPyke, F. Industrial Districts and Inter-firm Co-operation in Italy. Geneva: International Institute for Labour Studies, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPyke, F. Industrial Districts and Inter-firm Co-operation in Italy. International Institute for Labour Studies, 1990.
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