APA-viite (7. p.)

J. David Velleman. Foundations for Moral Relativism: Second expanded edition. Open Book Publishers.

Chicago-viite (17. p.)

J. David Velleman. Foundations for Moral Relativism: Second Expanded Edition. Open Book Publishers.

MLA-viite (9. p.)

J. David Velleman. Foundations for Moral Relativism: Second Expanded Edition. Open Book Publishers.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.