Singer, P. (1997). How are we to liven ethics in an age of self-interest. Oxford University Press.
Citazione stile Chigago Style (17a edizione)Singer, Peter. How Are We to Liven Ethics in an Age of Self-interest. Oxford (England): Oxford University Press, 1997.
Citatione MLA (9a ed.)Singer, Peter. How Are We to Liven Ethics in an Age of Self-interest. Oxford University Press, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.