RT Article T1 Accreditation in police agencies: Does external quality assurance reduce citizen complaints? JF The Police journal VO 90 IS 1 SP 40 OP 54 A1 Hougland, Steven A1 Wolf, Ross A2 Wolf, Ross LA English YR 2017 UL https://krimdok.uni-tuebingen.de/Record/1912448394 DO 10.1177/0032258X16671030