1. Akmal, N. (2022). Kinds of temperament of human beings. Web of ScienTist: International Scientific Research Journal, 3(1), 321–324.
2. BBC News. (2016, November 16). Boris Johnson attacked over ‘Prosecco insult’. https://www.bbc.com/news/uk-37995606.
3. Belam, M. (2022, July 22). Loves cheese, hates her first name: 10 things you may not know about Liz Truss. https://www.theguardian.com/politics/2022/jul/29/liz-truss-cheese-karaoke-10-things-you-may-not-know.
4. Beck, D. (2023). Humorous parodies of popular culture as strategy in Boris Johnson’s populist communication. The British Journal of Politics and International Relations. https://doi.org/10.1177/13691481231174165
5. Bitterly, B., & Brooks, W. A. (2020). Sarcasm, self-deprecation, and inside jokes: A user’s guide to humor at work. Harvard Business Review, 98(4), 96–103.