1. Browne, A. (2001). The Ethics of Blood Testing As an Element of Doping Control in Sport. In W.J. Morgan, K.V. Meier, and A.J. Schneider (Eds.), Ethics in Sport (pp. 196-204). Champaign, IL: Human Kinetics.
2. Holm, S. (2010). Doping under Medical Control Conceptually Possible but Impossible in the World of Professional Sport. In M. McNamee (Ed.), The Ethics of Sport. A Reader (pp. 186-194). London and New York: Routledge Taylor & Francis Group.
3. Houlihan, B. (2008). Sport and Doping. In Sport and Society (pp. 375-394). London: Sage Publication
4. Iwańczyk, R. (2011). Śmigielski: Siatkarze jadą po bandzie [Śmigielski: Volleyball Players Test the Limits]. Gazeta Wyborcza, no. 242, p. 38
5. James, W. (1911). Pragmatyzm. Dylematy determinizmu [Pragmatism. The Dilemma of Determinism]. Warszawa.