| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Understanding Moral Obligation: Kant, Hegel, Kierkegaard | Printed Access Code | 978-0-511-99774-7 (0-511-99774-4) | 2012 |
| Understanding Moral Obligation: Kant, Hegel, Kierkegaard | Hardcover | 978-1-107-01207-3 (1-107-01207-4) | 2011 |
P R · P. Robert · P S · P. Stern · R. S. · R. Stern · Robert S. · Robert Stern