Vernon, R. (2001). Political morality: A theory of liberal democracy. Continuum.
Chicago-viite (17. p.)Vernon, Richard. Political Morality: A Theory of Liberal Democracy. London: Continuum, 2001.
MLA-viite (9. p.)Vernon, Richard. Political Morality: A Theory of Liberal Democracy. Continuum, 2001.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.