Richards, I. A. (1966). Plato's republic. University Press.
Chicagoスタイル(17版)引用形式Richards, Ivor Armstrong. Plato's Republic. Cambridge: University Press, 1966.
MLA(9版)引用形式Richards, Ivor Armstrong. Plato's Republic. University Press, 1966.
警告: この引用は必ずしも正確ではありません.