All Nations Publishing · Routledge
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Oil Pollution Control | 978-0-367-36296-6 (0-367-36296-1) | 2019 | |
| The Philippines: A Unique Nation | 978-971-642-071-5 (971-642-071-4) | 1999 | Dr. Gregorio F. Zaide's |