Yehorova O. I., and Koval T. Yu. “Yehorova O. I., Koval T. Yu. Linguo-Cognitive Parameters of Barack Obama’s Nicknames”. Philological Treatises 8, no. 4 (March 28, 2020): 85–91. Accessed April 24, 2024. https://tractatus.sumdu.edu.ua/index.php/journal/article/view/301.