The influence of credibility and trust to form of communication message in the context of ethnocentrism Dr hab. Ewa Jerzyk, Associate Professor Poznań University of Economics, Faculty of Management, Department of Marketing Strategies, al. Niepodległości 10, 61-875 Poznań, Poland ph: +48618543768 email: e.jerzyk@ue.poznan.pl Dr hab Magdalena Stefańska, Assistant Professor (Corresponding author) Poznań University of Economics, Faculty of Management, Department of Marketing Strategies, al. Niepodległości 10, 61-875 Poznań, Poland ph: +48618543769, email: m.stefanska@ue.poznan.pl Renata Nestorowicz, PhD., Assistant Professor Poznań University of Economics, Faculty of Management, Department of Marketing Strategies, al. Niepodległości 10, 61-875 Poznań, Poland ph: +48618543768, email: r.nestorowicz@ue.poznan.pl Anna Rogala, PhD. Assistant Professor Poznań University of Economics, Faculty of Management, Department of Marketing Strategies, al. Niepodległości 10, 61-875 Poznań, Poland ph: +48618543774, email: anna.rogala@ue.poznan.pl For citation: Jerzyk E., Stefańska M., Nestorowicz R., Rogala A., 2016. The influence of credibility and trust to form of communication message in the context of ethnocentrism in: in. Proceedings of Conference XV International Marketing Trends Conference 2016 Venice, ed. Jean-Claude Andreani and Umberto Collesei, Paris-Venice Marketing Trends Asociation, [available at www.marketing-trends-congress.com/papers] 1