Veress, E.; Dudás, A.; Hlušák, M.; Hulmák, M.; Menyhárd, A.; Stępkowski, Ł.; Zimnioková, M. Form of Contracts. In Contract Law in East Central Europe; Veress, E., Ed.; Legal Studies on Central Europe, 2022; pp. 253–288.. https://doi.org/10.54171/2022.ev.cliece_chapter8.