Barbour, I. Ethics in an age of technology. HarperSanFrancisco.
Chicago-čujuhus (17. p.)Barbour, Ian. Ethics in an Age of Technology. New York: HarperSanFrancisco.
MLA-čujuhus (9. p.)Barbour, Ian. Ethics in an Age of Technology. HarperSanFrancisco.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.