Nikolić, Z. (2009) “Professional and Organized Criminals: Similarities and Differences”, Zbornik Instituta za kriminološka i sociološka istraživanja. Belgrade, Serbia, 28(1–2), pp. 155–166. Available at: https://zbornik-iksi.rs/index.php/home/article/view/124 (Accessed: 4 April 2026).