HUDEC, Martin - OKASOVÁ, Zuzana. The Divine Rise of Multilevel Marketing Phenomenon. In MERKÚR 2017. International Scientific Conference for PhD. Students and Young Scientists. MERKÚR 2017 : the Proceedings of the International Scientific Conference for PhD. Students and Young Scientists : Virt, November 29 - December 1, 2017. - Bratislava : Publisher EKONÓM, 2017. ISBN 978-80-225-4463-4, s. 95-104. VEGA 1/0224/15.