R. . Szőke, Z. . Bács, I. . Dékán Tamásné Orbán, and T. Dékán, “Information content of a sports undertaking’s statements serving different purposes – particularly with reference to the player rights”, APSTRACT, vol. 9, no. 1-2, pp. 119–133, Sep. 2015, doi: 10.19041/APSTRACT/2015/1-2/21.