↑ Beathley, Timothy (1995). "Planning and Sustainability: The elements of a new paradigm". Journal of Planning Literature. Retrieved 26 September 2016.
↑ "Transport Integration Act 2010" (PDF). Victoria State Government. 1 September 2010.
↑ "Environment Action Programme to 2020 - Environment - European Commission". ec.europa.eu. Retrieved 2015-12-21.
1 2 "Environment Action Programme to 2020" (PDF). Europa. European Commission. Retrieved 21 December 2015.