Cheung, Wing-Yee, Constantine Sedikides, Tim Wildschut, Nicole Tausch, and Arin H. Ayanian. “Collective Nostalgia Is Associated With Stronger Outgroup-Directed Anger and Participation in Ingroup-Favoring Collective Action”. Journal of Social and Political Psychology 5, no. 2 (February 5, 2018): 301-319. Accessed May 24, 2022. https://jspp.psychopen.eu/index.php/jspp/article/view/5009.