PAPP-VÁRY, Árpád F. Marty Neumeier: Zag - The #1 Strategy of High-Performance Brands. New Riders Kiadó, Berkeley, Kalifornia, 2007. Marketing & Menedzsment, [S. l.], v. 41, n. 2, p. 85–87, 2019. Disponível em: https://journals.lib.pte.hu/index.php/mm/article/view/1284. Acesso em: 2 máj. 2024.