| APA | Smart Define. (2015). big-eyed birds thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/big-eyed_birds/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "big-eyed birds thesaurus" https://smartdefine.org/big-eyed_birds/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, big-eyed birds thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/big-eyed_birds/thesaurus/synonyms>. |
| MLA | Smart Define. "big-eyed birds thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/big-eyed_birds/thesaurus/synonyms> |