Organisation for Economic Co-operation and Development. Harmonised System 2012 (Edition 2022). OECD Publishing. https://doi.org/10.1787/f9bdb0f8-en
Chicago-Zitierstil (17. Ausg.)Organisation for Economic Co-operation and Development. Harmonised System 2012 (Edition 2022). Paris: OECD Publishing. https://doi.org/10.1787/f9bdb0f8-en.
MLA-Zitierstil (8. Ausg.)Organisation for Economic Co-operation and Development. Harmonised System 2012 (Edition 2022). OECD Publishing. https://doi.org/10.1787/f9bdb0f8-en.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.