@book {
	author = {Kepes, Ágnes and Sille, István},
	title = {Gyakorlati protokoll},
	year = {2016},
	publisher = {Akadémiai Kiadó},
	isbn = {978 963 059 764 7},
	doi = {10.1556/9789630597647},
	URL = {https://mersz.hu/kiadvany/167}
}