Cambridge University Press · Editorial Portavoz
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Compact Blue-Green Lasers | 978-0-521-52103-1 (0-521-52103-3) | 2003 |
| Dating & Waiting: Looking for Love in All the Right Places | 978-0-8254-3581-2 (0-8254-3581-1) | 2000 |
P R · W.P. · W. P. Risk · W R · William P. · William R.