| APA | Smart Define. (2013). petroleum price regulations thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/petroleum_price_regulations/thesaurus/broader |
| Chicago | Smart Define. 2013. "petroleum price regulations thesaurus" https://smartdefine.org/petroleum_price_regulations/thesaurus/broader (accessed September 21, 2026). |
| Harvard | Smart Define 2013, petroleum price regulations thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/petroleum_price_regulations/thesaurus/broader>. |
| MLA | Smart Define. "petroleum price regulations thesaurus" 13 June 2013. Web. 21 September 2026. <https://smartdefine.org/petroleum_price_regulations/thesaurus/broader> |