| APA | Smart Define. (2011). Grand Duchy of Luxembourg thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/grand_duchy_of_luxembourg/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "Grand Duchy of Luxembourg thesaurus" https://smartdefine.org/grand_duchy_of_luxembourg/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2011, Grand Duchy of Luxembourg thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/grand_duchy_of_luxembourg/thesaurus/synonyms>. |
| MLA | Smart Define. "Grand Duchy of Luxembourg thesaurus" 26 April 2011. Web. 27 September 2026. <https://smartdefine.org/grand_duchy_of_luxembourg/thesaurus/synonyms> |