Augustyniak, Hanna, Krzysztof Olszewski, i Karin Wagner. 2023. „Housing Policy and Forms of Housing Tenure in Austria and the Unique Social Housing System of Vienna”. Kwartalnik Nauk O Przedsiębiorstwie 70 (4):37-54. https://econjournals.sgh.waw.pl/KNoP/article/view/4270.