Pyke, F., & Sengenberger, W. (1992). Industrial districts and local economic regeneration. International Institute for Labour Studies.
Chicago-čujuhus (17. p.)Pyke, F., juo Werner Sengenberger. Industrial Districts and Local Economic Regeneration. Geneva: International Institute for Labour Studies, 1992.
MLA-čujuhus (9. p.)Pyke, F., juo Werner Sengenberger. Industrial Districts and Local Economic Regeneration. International Institute for Labour Studies, 1992.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.