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Kara M. Kockelman; Sukumar Kalmanje (2005). „Credit-based congestion pricing: a policy proposal and the public's response“. Transportation Research Part A: Policy and Practice. 39 (7–9): 671–690. Bibcode:2005TRPA...39..671K. doi:10.1016/j.tra.2005.02.014.
Peirce, Sean; Puckett, Sean; Petrella, Margaret; Minnice, Paul; Lappin, Jane (2013). „Effects of Full-Facility Variable Tolling on Traveler Behavior: Evidence from a Panel Study of the Sr-520 Corridor in Seattle, Washington“. Transportation Research Record: Journal of the Transportation Research Board (ინგლისური). 2345: 74–82. doi:10.3141/2345-10. S2CID109715156.
Agarwal, Sumit; Koo, Kang Mo (2016-09-01). „Impact of electronic road pricing (ERP) changes on transport modal choice“. Regional Science and Urban Economics. 60: 1–11. doi:10.1016/j.regsciurbeco.2016.05.003. ISSN0166-0462.
Agarwal, Sumit; Koo, Kang Mo; Sing, Tien Foo (2015-11-01). „Impact of electronic road pricing on real estate prices in Singapore“. Journal of Urban Economics. 90: 50–59. doi:10.1016/j.jue.2015.09.004. ISSN0094-1190.
Kara M. Kockelman; Sukumar Kalmanje (2005). „Credit-based congestion pricing: a policy proposal and the public's response“. Transportation Research Part A: Policy and Practice. 39 (7–9): 671–690. Bibcode:2005TRPA...39..671K. doi:10.1016/j.tra.2005.02.014.
An independent assessment of the central London congestion charging scheme. London Councils (2004-12-13). დაარქივებულია ორიგინალიდან — 2010-09-29. ციტირების თარიღი: 2025-05-10. The CCS is expected to compound these effects but it will be impossible to determine the extent to which it will have done so in the absence of a 'do minimum' comparison.
Chin Kian Keong. (2002-10-23) Road pricing Singapore's experience. Third Seminar of the IMPRINT-EUROPE Thematic Network: "Implementing Reform on Transport Pricing: Constraints and solutions: learning from best practice". დაარქივებულია ორიგინალიდან — 2008-04-10. ციტირების თარიღი: 2008-07-15
Peirce, Sean; Puckett, Sean; Petrella, Margaret; Minnice, Paul; Lappin, Jane (2013). „Effects of Full-Facility Variable Tolling on Traveler Behavior: Evidence from a Panel Study of the Sr-520 Corridor in Seattle, Washington“. Transportation Research Record: Journal of the Transportation Research Board (ინგლისური). 2345: 74–82. doi:10.3141/2345-10. S2CID109715156.
Chin Kian Keong. (2002-10-23) Road pricing Singapore's experience. Third Seminar of the IMPRINT-EUROPE Thematic Network: "Implementing Reform on Transport Pricing: Constraints and solutions: learning from best practice". დაარქივებულია ორიგინალიდან — 2008-04-10. ციტირების თარიღი: 2008-07-15
Electronic Road Pricing. Land Transport Authority (Singapore). Website official. დაარქივებულია ორიგინალიდან — 2008-04-10. ციტირების თარიღი: 2008-04-16
An independent assessment of the central London congestion charging scheme. London Councils (2004-12-13). დაარქივებულია ორიგინალიდან — 2010-09-29. ციტირების თარიღი: 2025-05-10. The CCS is expected to compound these effects but it will be impossible to determine the extent to which it will have done so in the absence of a 'do minimum' comparison.
Agarwal, Sumit; Koo, Kang Mo (2016-09-01). „Impact of electronic road pricing (ERP) changes on transport modal choice“. Regional Science and Urban Economics. 60: 1–11. doi:10.1016/j.regsciurbeco.2016.05.003. ISSN0166-0462.
Agarwal, Sumit; Koo, Kang Mo; Sing, Tien Foo (2015-11-01). „Impact of electronic road pricing on real estate prices in Singapore“. Journal of Urban Economics. 90: 50–59. doi:10.1016/j.jue.2015.09.004. ISSN0094-1190.