@book {
author = {Mayer Gyula and Slíz Mariann},
title = {Regum gemma, Ladislae},
year = {2022},
publisher = {Typotex Kiadó},
isbn = {978 963 493 174 4},
URL = {https://edu.interkonyv.hu/konyvek/mayer-gyula-sliz-mariann-regum-gemma-ladislae/}
}