1. Bonsall, P. W., Shires, J. D., Matthews, B., Maule, J., & Beale, J. (2007). Responses to complex pricing signals: Theory, evidence and implications for road pricing. Transportation Research Part A, 41, 672–683.
2. Börjesson, M., Eliasson, J., Hugosson, M., & Brundell-Freij, K. (2012). The Stockholm congestion charges – 5 years on. Effects, acceptability and lessons learnt. Transport Policy, 20, 1–12.
3. CURACAO. (2009). Coordination of urban road user charging organizational issues. Final report. Retrieved from
http://www.transport-research.info/Upload/Documents/201010/20101007_163529_37308_CURACAO%20-%20Final%20activity%20report.pdf
4. Feeney, B. P. (1989). A review of the impact of parking policy measures on travel demand. Transportation Planning and Technology, 13(4), 229–244.
5. Gómez-Ibáñez, J. A., Tye, W. B., & Winston, C. (1999). Essays in transportation economics and policy: A handbook in honour of John R. Meyer. Washington, DC: Brookings Institution Press.