APA aipamena

Pyke, F., & Sengenberger, W. (1992). Industrial districts and local economic regeneration. International institute.

Chicago Style aipamena

Pyke, Frank, and Werner Sengenberger. Industrial Districts and Local Economic Regeneration. Geneva: International institute, 1992.

MLA aipamena

Pyke, Frank, and Werner Sengenberger. Industrial Districts and Local Economic Regeneration. International institute, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.