@book {
	author = {Krupa, Martin},
	title = {E-shop. Od nápadu po úspech},
	year = {2018},
	publisher = {Wolters Kluwer},
	isbn = {978-80-8168-863-8},
	doi = {},
	URL = {https://uatakademia.aspi.sk/kiadvany/262}
}