Bromme, L., T. Rothmund, and G. V. Caprara. “A Translation and Validation of the Perceived Political Self-Efficacy (P-PSE) Scale for the Use in German Samples”. Measurement Instruments for the Social Sciences, Vol. 2, no. 1, Mar. 2020, p. Article e11013, doi:10.1186/s42409-020-00013-4.