| title | ISBN-13 | year of publication |
|---|---|---|
| National Intellectual Capital: A Comparison of 40 Countries | 978-1-4939-0252-1 | 2014 |
| National Intellectual Capital and the Financial Crisis in Brazil, Russia, India, China, Korea, and South Africa | 978-1-4614-6088-6 | 2012 |
| National Intellectual Capital and the Financial Crisis in China, Hong Kong, Singapore, and Taiwan | 978-1-4614-5983-5 | 2012 |
| National Intellectual Capital and the Financial Crisis in Greece, Italy, Portugal, and Spain | 978-1-4614-5989-7 | 2012 |