| APA | Smart Define. (2011). piece for one person thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/piece_for_one_person/thesaurus/narrower |
| Chicago | Smart Define. 2011. "piece for one person thesaurus" https://smartdefine.org/piece_for_one_person/thesaurus/narrower (accessed September 20, 2026). |
| Harvard | Smart Define 2011, piece for one person thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/piece_for_one_person/thesaurus/narrower>. |
| MLA | Smart Define. "piece for one person thesaurus" 2 May 2011. Web. 20 September 2026. <https://smartdefine.org/piece_for_one_person/thesaurus/narrower> |