O.P. · U.P. · University of Pennsylvania
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Bluebook: A Uniform System of Citation, 20th Edition | 978-0-692-40019-7 (0-692-40019-2) | 2015 | Columbia Law Review · Harvard Law Review · Yale Law Journal |
| The Bluebook: A Uniform System of Citation | 978-0-615-36116-1 (0-615-36116-1) | 2010 | Columbia Law Review · Harvard Law Review · Yale Law Journal |