Blackstone's Police Operational Handbook: Practice and Procedure Harfield Clive Heftet / 2013 / Engelsk
Cross-Border Law Enforcement Regional Law Enforcement Cooperation – European, Australian and Asia-Pacific Perspectives Hufnagel Saskia Innbundet / 2011 / Engelsk
Cross-Border Law Enforcement Regional Law Enforcement Cooperation – European, Australian and Asia-Pacific Perspectives Hufnagel Saskia Heftet / 2013 / Engelsk
