| title | media type | ISBN-13 (ISBN-10)  | year of publica- tion  | other author(s) | 
|---|---|---|---|---|
| The Legal Foundations of the Single European Market | Paperback | 978-0-19-825628-1 (0-19-825628-0)  | 1991 | etc. · Trevor C. Hartley · John A. Usher | 
| The Legal Foundations of the Single European Market | Hardcover | 978-0-19-825631-1 (0-19-825631-0)  | 1991 | etc. · Trevor C. Hartley · John A. Usher | 
G D · G. P. · Green P · n.d. · N.G. · N.P. · Nicholas Green · Ph.D.