VASS, Martina. Leadership styles in the European Council : how leaders behave behind closed doors. Cham : Springer Nature Switzerland AG, 2024. 1 online zdroj (xix, 294 s.). Central and Eastern European perspectives on international relations. Názov z titulnej obrazovky (verzia z 05.09.2025). Available on: https://doi.org/10.1007/978-3-031-73621-6. ISBN 978-3-031-73621-6.