Παραπομπή APA
European Police Office. (2008). OCTA 2008: EU organised crime threat assessment. The Hague: European Police Office.
Παραπομπή Chicago StyleEuropean Police Office. OCTA 2008: EU Organised Crime Threat Assessment. The Hague: European Police Office, 2008.
Παραπομπή MLAEuropean Police Office. OCTA 2008: EU Organised Crime Threat Assessment. The Hague: European Police Office, 2008.
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