Internationaal Politie Instituut Twente & Bruinsma, G. (1999). Public safety in Europe IPIT-boekenreeks.
Chicago Style (17th ed.) CitationInternationaal Politie Instituut Twente and Gerben Bruinsma. "Public Safety in Europe." IPIT-boekenreeks 1999.
MLA (9th ed.) CitationInternationaal Politie Instituut Twente and Gerben Bruinsma. "Public Safety in Europe." IPIT-boekenreeks, 1999.
Warning: These citations may not always be 100% accurate.