Frede, M. (1987). Essays in ancient philosophy. University of Minnesota Press.
Chicago-čujuhus (17. p.)Frede, Michael. Essays in Ancient Philosophy. Minneapolis: University of Minnesota Press, 1987.
MLA-čujuhus (9. p.)Frede, Michael. Essays in Ancient Philosophy. University of Minnesota Press, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.