International Registry of World Citizens. (2001). Register van Wereldburgers: Nieuwsbrief. Hove: International Registry of World Citizens.
Style de citation Chicago (17e éd.)International Registry of World Citizens. Register Van Wereldburgers: Nieuwsbrief. Hove: International Registry of World Citizens, 2001.
Style de citation MLA (8e éd.)International Registry of World Citizens. Register Van Wereldburgers: Nieuwsbrief. Hove: International Registry of World Citizens, 2001.
Avis: Ces citations peuvent ne pas être correctes à 100%.