Sidgwick, H., & Singer, M. G. (2000). Essays on ethics and method. Oxford University Press.
Cita Chicago Style (17a ed.)Sidgwick, Henry, y Marcus George Singer. Essays on Ethics and Method. Oxford ; New York: Oxford University Press, 2000.
Cita MLA (8a ed.)Sidgwick, Henry, y Marcus George Singer. Essays on Ethics and Method. Oxford University Press, 2000.
Precaución: Estas citas no son 100% exactas.