1. András, K. (2003). Business elements in sports, through example of football. Unpublished doctoral dissertation, Budapest University of Economics Sciences and Public Administration, Budapest. Retrieved December 9, 2013.
2. András, K. (2004). A hivatásos sport piacai, Vezetéstudomány XXXV. pp. 40–57. (In English: The markets of professional football.)
3. András, K., & Havran, Z. (2014). Regional export efficiency in the market of football players. Theory Methodology Practice (TMP), 10, 3–15.
4. András, K., Havran, Zs., & Jandó, Z. (2012). Üzleti globalizáció és a hivatásos sport: sportvállalatok nemzetközi szerepvállalása. Corvinus University of Budapest (In English: Business globalization and the professional sport: international activity of sport companies).
5. Bednarz, B. (2014). Case study of a Polish Football Club – KKS Lech Poznan, Year 2009–2013. In A. Jaki & B. Mikula (Eds.), Knowledge, economy, society. Managing organizations: Concepts and their applications (pp. 53–60). Crakow: Foundation of the Cracow University of Economics.