Klein, J. (1977). Plato's trilogy. University of Chicago.
Chicago-čujuhus (17. p.)Klein, Jacob. Plato's Trilogy. Chicago: University of Chicago, 1977.
MLA-čujuhus (9. p.)Klein, Jacob. Plato's Trilogy. University of Chicago, 1977.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.