Singer, P. (1997). How are we to live?: Ethics in an age of self-interest (Oxford ed.). Oxford University Press.
Citace podle Chicago (17th ed.)Singer, Peter. How Are We to Live?: Ethics in an Age of Self-interest. Oxford ed. Oxford: Oxford University Press, 1997.
Citace podle MLA (8th ed.)Singer, Peter. How Are We to Live?: Ethics in an Age of Self-interest. Oxford ed. Oxford University Press, 1997.
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