BIESAGA-SŁOMCZEWSKA, Elżbieta J.; IWIŃSKA-KNOP, Krystyna. Internal Marketing in Today’s Organization. Poland: Lodz University Press,2017. DOI: 10.18778/8088-952-1. Disponível em: https://www.press.uni.lodz.pl/index.php/wul/catalog/book/1017. Acesso em: 28 jan. 2026.