(2021). OECD initiative for safe international mobility during the COVID-19 pandemic (including blueprint). OECD Publishing. https://doi.org/10.1787/d0594162-en
Chicago-Zitierstil (17. Ausg.)OECD Initiative for Safe International Mobility During the COVID-19 Pandemic (including Blueprint). Paris: OECD Publishing, 2021. https://doi.org/10.1787/d0594162-en.
MLA-Zitierstil (9. Ausg.)OECD Initiative for Safe International Mobility During the COVID-19 Pandemic (including Blueprint). OECD Publishing, 2021. https://doi.org/10.1787/d0594162-en.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.