Parry, I. W. (2012). Demand Side Instruments to Reduce Road Transportation Externalities in the Greater Cairo Metropolitan Area. The World Bank. https://doi.org/10.1596/1813-9450-6083
Chicago-Zitierstil (17. Ausg.)Parry, Ian W.H. Demand Side Instruments to Reduce Road Transportation Externalities in the Greater Cairo Metropolitan Area. Washington, D.C: The World Bank, 2012. https://doi.org/10.1596/1813-9450-6083.
MLA-Zitierstil (9. Ausg.)Parry, Ian W.H. Demand Side Instruments to Reduce Road Transportation Externalities in the Greater Cairo Metropolitan Area. The World Bank, 2012. https://doi.org/10.1596/1813-9450-6083.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.