Portny, Eugeniusz. 2025. „Chapter IV. Chairmanship of the Organization for Security and Cooperation in Europe – Institutional and Historical Context . 65”. W Poland’s Chairmanship in the Organization for Security and Co-Operation in Europe in 2022: Objectives and Their Implementation in the Face of the Russian-Ukrainian War, zredagowane przez Michał Dulak, 65-87. Poland: Wydawnictwo Księgarnia Akademicka. https://doi.org/10.12797/9788383682594.05.