APA aipamena

Helmsing, A. H. J. (1999). Flexible specialisation, clusters and industrial districs 'second' and 'third generation' regional policies. Institute of Social Studies.

Chicago Style aipamena

Helmsing, A. H. J. Flexible Specialisation, Clusters and Industrial Districs 'Second' and 'Third Generation' Regional Policies. The Hague: Institute of Social Studies, 1999.

MLA aipamena

Helmsing, A. H. J. Flexible Specialisation, Clusters and Industrial Districs 'Second' and 'Third Generation' Regional Policies. Institute of Social Studies, 1999.