ERŐSS, Ágnes. Costa, C.S. et al. (eds.): GreenKeys at Your City: A Guide for Urban Green Quality. Hungarian Geographical Bulletin, [S. l.], v. 58, n. 1, p. 69–70, 2009. Disponível em: https://ojs.mtak.hu/index.php/hungeobull/article/view/3134. Acesso em: 31 oct. 2026.