Raphael, D. (1990). Problems of political philosophy: D.D. Raphael (David Daiches ) (2nd ed.). Macmillan.
Chicago-čujuhus (17. p.)Raphael, D.D. Problems of Political Philosophy: D.D. Raphael (David Daiches ). 2nd ed. London: Macmillan, 1990.
MLA-čujuhus (9. p.)Raphael, D.D. Problems of Political Philosophy: D.D. Raphael (David Daiches ). 2nd ed. Macmillan, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.