Bibliografia
Principal
- Sustainable Transportation: Problems and Solutions: Black, W. R., 2010 Black, W. R., Sustainable Transportation: Problems and Solutions. 2010. The Guilford Press.
- SMP2.0 Sustainable Mobility Indicators – 2nd Edition: WBCSD 2015 World Business Concil for Sustainable Development. SMP2.0 Sustainable Mobility Indicators – 2nd Edition. 2015