1. Afthinos, Y., Theodorakis, N., & Nassis, P. (2005). Customers’ expectations of service in Greek fitness centers: Gender, age, type of sport center, and motivation differences. Managing Service Quality, 15(3), 245–258.
2. Águila, C., Sicilia, A., Muyor, J. M., & Orta, A. (2009). Cultura posmoderna y perfiles de práctica en los centros deportivos municipales. Revista Internacional de Medicina y Ciencias de la Actividad Física y el Deporte, 9(33), 81–95.
3. Alexandris, K. (2002). The influence of perceived service quality on customer satisfaction and service loyalty: an empirical study in the fitness industry. 17th Annual North American Society for Sport Management Conference, Canmore (Canada), May–June. North American Society for Sport Management (NASSM).
4. Alexandris, K., & Palialia, E. (1999). Measuring customer satisfaction in fitness centres in Greece: An exploratory study. Managing Leisure, 4, 218–228.
5. Alexandris, K., & Tsiotsou, R. (2012). Segmenting soccer spectators by attachment levels: A psychographic profile based on team self-expression and involvement. European Sport Management Quarterly, 12(1), 65–81.