| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Applied General Systems Theory | 978-0-06-046775-3 (0-06-046775-4) | 1974 |
| Decision Making About Decision: Metamodels and Metasystems | 978-0-85626-200-5 (0-85626-200-5) | 1987 |
J. G. · J. P. · John G. · John P. · John P. van Gigch · P.G.