Klein, J. (1977). Plato's trilogy. University of Chicago.
Lua i Stíl Chicago (17ú heag.)Klein, Jacob. Plato's Trilogy. Chicago: University of Chicago, 1977.
Lua MLA (9ú heag.)Klein, Jacob. Plato's Trilogy. University of Chicago, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.