International Transport Forum. (2017). Transport infrastructure investment and maintenance (Edition 2017). OECD Publishing. https://doi.org/10.1787/1e96cfbc-en
Chicago-Zitierstil (17. Ausg.)International Transport Forum. Transport Infrastructure Investment and Maintenance (Edition 2017). Paris: OECD Publishing, 2017. https://doi.org/10.1787/1e96cfbc-en.
MLA-Zitierstil (9. Ausg.)International Transport Forum. Transport Infrastructure Investment and Maintenance (Edition 2017). OECD Publishing, 2017. https://doi.org/10.1787/1e96cfbc-en.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.