Não informado. Statistics of Foreign Trade. Organization for Economic Co-operation and Development.
Chicago-Zitierstil (17. Ausg.)Não informado. Statistics of Foreign Trade. Paris: Organization for Economic Co-operation and Development.
MLA-Zitierstil (8. Ausg.)Não informado. Statistics of Foreign Trade. Organization for Economic Co-operation and Development.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.