Hartman, J., & Koschalka, B. (2015). Philosophical heuristics. Peter Lang Edition.
Cita Chicago (17th ed.)Hartman, Jan, i Ben Koschalka. Philosophical Heuristics. Frankfurt am Main, [Germany]: Peter Lang Edition, 2015.
Cita MLA (9th ed.)Hartman, Jan, i Ben Koschalka. Philosophical Heuristics. Peter Lang Edition, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.