@book {
	author = {Sille, István},
	title = {Illem, etikett, protokoll},
	year = {2016},
	publisher = {Akadémiai Kiadó},
	isbn = {978 963 059 796 8},
	doi = {10.1556/9789630597968},
	URL = {https://mersz.hu/kiadvany/131}
}