| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Measuring Intellectual Behavior: A Study of the Hierarchical Stages of Complex Reasoning in Executive Development | 978-1-4774-8992-5 (1-4774-8992-4) | 2012 |
L.M. · L.P. · M P · R. L · R. M. · R. P. · Richard L. · Richard M. · Richard McElroy · Richard P.