Richards, I. A. (1966). Plato's republic. University Press.
Chicago-čujuhus (17. p.)Richards, Ivor Armstrong. Plato's Republic. Cambridge: University Press, 1966.
MLA-čujuhus (9. p.)Richards, Ivor Armstrong. Plato's Republic. University Press, 1966.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.