APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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