VÁLEK, Juraj - KUŠNÍROVÁ, Jana. Environmental Tax Regulation in Selected Sectors of European Countries. In Management 2018: Management and the World in Motion, Challenges, Opportunities and Threats.. International Scientific Conference. Management 2018: Management and the World in Motion, Challenges, Opportunities and Threats : Proceedings of VII. International Scientific Conference, Spa Nový Smokovec (Congress Centre), High Tatras, Slovak Republic, 25-29 September 2018. - Prešov : Bookman, 2018. ISBN 978-80-8165-300-1, pp. 868-874.