Perzanowski, J., & Sytnik-Czetwertyński, J. (2012). Art of philosophy: A selection of Jerzy Perzanowski's works. Ontos Verlag.
Cita Chicago (17th ed.)Perzanowski, Jerzy, i Janusz Sytnik-Czetwertyński. Art of Philosophy: A Selection of Jerzy Perzanowski's Works. Frankfurt: Ontos Verlag, 2012.
Cita MLA (9th ed.)Perzanowski, Jerzy, i Janusz Sytnik-Czetwertyński. Art of Philosophy: A Selection of Jerzy Perzanowski's Works. Ontos Verlag, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.