| APA | Smart Define. (2013). maintenance operation protocol thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/maintenance_operation_protocol/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "maintenance operation protocol thesaurus" https://smartdefine.org/maintenance_operation_protocol/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2013, maintenance operation protocol thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/maintenance_operation_protocol/thesaurus/synonyms>. |
| MLA | Smart Define. "maintenance operation protocol thesaurus" 18 May 2013. Web. 21 September 2026. <https://smartdefine.org/maintenance_operation_protocol/thesaurus/synonyms> |