David Wiggins: Ethics. Twelve Lectures on the Philosophy of Morality, Penguin, 2006.
Arne Johan Vetlesen: Hva er etikk?, Universitetsforlaget, 2007.
John Mackie: Ethics. Inventing Right and Wrong, Penguin, 1977.
Christine M. Korsgaard: The Sources of Normativity, Cambridge U.P., 1996.
Iris Murdoch: The Sovereignty of Good, Routledge, 1986.
Mary Midgley: The Myths We Live By, Routledge, 2004.