“…Brooks (1957), Arndt (1967), Bickart and Schindler (2002), Silva et al (2008) The studies on WOM marketing have been already widespread; however, some answers have not been clarified yet. The results so far point out that WOM marketing is frequent and important for consumer's behavior, what may influence other consumers to choose the product or service (Berger, 2014;Pereira et al, 2015;Voyer, & Ranaweera, 2015;Dalmonech et al, 2016;Herold et al, 2016;Wien, & Olsen, 2017;Le, 2018).…”