Normative ethics is the study of general moral theories and principles. Together with metaethics and applied ethics, it is one of the three main branches of moral philosophy.
- Alexander, Larry and Michael Moore (2020) Deontological ethics, The Stanford Encyclopedia of Philosophy , Edward N. Zalta (ed.).
- Virtue ethics:
- Hursthouse, Rosalind and Glen Pettigrove (2018) Virtue ethics, The Stanford Encyclopedia of Philosophy , Edward N. Zalta (ed.).