Johansson, I. (2004). Ontological Investigations. An Inquiry into the Categories of Nature, Man and Society. De Gruyter. https://doi.org/10.1515/9783110329865
Chicago-čujuhus (17. p.)Johansson, Ingvar. Ontological Investigations. An Inquiry into the Categories of Nature, Man and Society. De Gruyter, 2004. https://doi.org/10.1515/9783110329865.
MLA-čujuhus (9. p.)Johansson, Ingvar. Ontological Investigations. An Inquiry into the Categories of Nature, Man and Society. De Gruyter, 2004. https://doi.org/10.1515/9783110329865.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.