KISS, Márta. Gyula - The history and a possible vision of the former island fortress. 4D Journal of Landscape Architecture and Garden Art, [S. l.], n. 14, p. 44–53, 2009. Disponível em: https://journal.uni-mate.hu/index.php/4D/article/view/6088. Acesso em: 6 dec. 2025.