| APA | Smart Define. (-0001). European engine lubricants quality management system thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/european_engine_lubricants_quality_management_system/thesaurus/broader |
| Chicago | Smart Define. -0001. "European engine lubricants quality management system thesaurus" https://smartdefine.org/european_engine_lubricants_quality_management_system/thesaurus/broader (accessed September 20, 2026). |
| Harvard | Smart Define -0001, European engine lubricants quality management system thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/european_engine_lubricants_quality_management_system/thesaurus/broader>. |
| MLA | Smart Define. "European engine lubricants quality management system thesaurus" 30 November -0001. Web. 20 September 2026. <https://smartdefine.org/european_engine_lubricants_quality_management_system/thesaurus/broader> |