MICHALSKA, I. O Erneście Michalskim – róża i witamina C. HERBALISM, [S. l.], v. 2, n. 1, p. 174–179, 2016. DOI: 10.12775/HERB.2016.014. Disponível em: https://apcz.umk.pl/HERB/article/view/HERB.2016.014. Acesso em: 21 sty. 2022.