De George, R. T. (1969). Soviet ethics and morality. University of Michigan Press.
Cita Chicago Style (17a ed.)De George, Richard T. Soviet Ethics and Morality. Ann Arbor: University of Michigan Press, 1969.
Cita MLA (9a ed.)De George, Richard T. Soviet Ethics and Morality. University of Michigan Press, 1969.
Precaución: Estas citas no son 100% exactas.