Cafaro, P., & Sandler, R. (2010). Virtue ethics and the environment. Springer.
Chicago-čujuhus (17. p.)Cafaro, Philip, juo Ronald Sandler. Virtue Ethics and the Environment. Dordrecht: Springer, 2010.
MLA-čujuhus (9. p.)Cafaro, Philip, juo Ronald Sandler. Virtue Ethics and the Environment. Springer, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.