| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Foundations of Nigeria's Financial Infrastructure | 978-0-7099-0448-9 (0-7099-0448-7) | 1980 |
| Nigeria's Oil Economy: From Prosperity to Glut | 978-0-7099-1901-8 (0-7099-1901-8) | 1983 |
| The Nigerian Oil Economy: From Prosperity to Glut | 978-1-138-30794-0 (1-138-30794-7) | 2017 |