| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Purchasing: Manager's Desk Book of Purchasing Law | 978-O-13-742115-2 (O-13-742115-X) | 1987 |
J R · James J., Jr. Ritterskamp · James J. Ritterskamp · James J. Ritterskamp;Donald B. King · James R. · Jr. James J. Ritterskamp