Kosman, L. A. (2013). The activity of being: An essay on Aristotle's ontology. Harvard University Press.
Chicago-čujuhus (17. p.)Kosman, Louis Aryeh. The Activity of Being: An Essay on Aristotle's Ontology. Cambridge, Mass.: Harvard University Press, 2013.
MLA-čujuhus (9. p.)Kosman, Louis Aryeh. The Activity of Being: An Essay on Aristotle's Ontology. Harvard University Press, 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.