Dewey, R. E., & Hurlbutt, R. H. (1977). An introduction to ethics. Macmillan.
Chicago-čujuhus (17. p.)Dewey, Robert E., juo Robert H. Hurlbutt. An Introduction to Ethics. New York: Macmillan, 1977.
MLA-čujuhus (9. p.)Dewey, Robert E., juo Robert H. Hurlbutt. An Introduction to Ethics. Macmillan, 1977.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.