Szwed, K. 2022. The main modes of acquisition and loss of citizenship in the Republic of Estonia. Acta Iuridica Resoviensia (formelry: The Scientific Journal of the University of Rzeszow, Law Series). 36, 118 (Mar. 2022), 174–186. DOI:https://doi.org/10.15584/actaires.2022.1.14.