Skrzypczak, Katarzyna. “Self Help Books and Their Titles – a Lexical and Syntactical Analysis”. Prace Językoznawcze 23, no. 4 (December 10, 2021): 139–151. Accessed April 17, 2025. https://czasopisma.uwm.edu.pl/index.php/pj/article/view/7048.