Olszanecka-Marmola, Agata. “The Effects of Political Advertising on the Perception of Political Images: A Case Study of Polish Presidential Election in 2015”. Political Preferences, no. 22 (April 8, 2019): 43–58. Accessed May 7, 2025. https://trrest.vot.pl/ojsus/index.php/PP/article/view/7571.