Singer, Peter.
The expanding circle : ethics, evolution, and moral progress / Peter Singer. - Princeton, NJ : Princeton University Press, 2011. - xviii; 208 p.;
9780691150697 (pbk. : alk. paper)
2010937652
Ethics.
Altruismus.
Sociobiology.
174
The expanding circle : ethics, evolution, and moral progress / Peter Singer. - Princeton, NJ : Princeton University Press, 2011. - xviii; 208 p.;
9780691150697 (pbk. : alk. paper)
2010937652
Ethics.
Altruismus.
Sociobiology.
174