PUST, H.-C. Plakate. WLBforum, Stuttgart, v. 20, n. 1, p. 49–51, 2021. DOI: 10.53458/wlbf.v20i1.154. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/wlbf/article/view/154. Acesso em: 29 märz. 2024.