| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Ethics in Islam: Friendship in the Political Thought of Al-Tawhidi and his Contemporaries | Paperback | 978-0-367-86822-2 (0-367-86822-9) | 2019 |
| Ethics in Islam: Friendship in the Political Thought of Al-Tawhidi and his Contemporaries | Hardcover | 978-0-415-85851-9 (0-415-85851-8) | 2014 |