Niebuhr, R. An interpretation of Christian ethics. Harper & Brothers.
Chicago-čujuhus (17. p.)Niebuhr, Reinhold. An Interpretation of Christian Ethics. New York: Harper & Brothers.
MLA-čujuhus (9. p.)Niebuhr, Reinhold. An Interpretation of Christian Ethics. Harper & Brothers.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.