Linke-Jankowska, Magdalena, i Konrad S. Jankowski. „Social and Physical Anhedonia in Relation to Grandiose and Vulnerable Narcissism”. Current Issues in Personality Psychology, t. 9, nr 1, marzec 2021, s. 46–52, https://czasopisma.bg.ug.edu.pl/index.php/CIiPP/article/view/5764.