| APA | Smart Define. (2013). plastic film thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/plastic_film/thesaurus/broader |
| Chicago | Smart Define. 2013. "plastic film thesaurus" https://smartdefine.org/plastic_film/thesaurus/broader (accessed September 29, 2026). |
| Harvard | Smart Define 2013, plastic film thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/plastic_film/thesaurus/broader>. |
| MLA | Smart Define. "plastic film thesaurus" 19 May 2013. Web. 29 September 2026. <https://smartdefine.org/plastic_film/thesaurus/broader> |