Singer, P. (1997). How are we to live?: Ethics in an age of self-interest (Oxford ed.). Oxford University Press.
Цитирование в стиле Чикаго (17-е изд.)Singer, Peter. How Are We to Live?: Ethics in an Age of Self-interest. Oxford ed. Oxford: Oxford University Press, 1997.
Цитирование MLA (8-е изд.)Singer, Peter. How Are We to Live?: Ethics in an Age of Self-interest. Oxford ed. Oxford University Press, 1997.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.