HarperCollins · UMI Books on Demand
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Workplace Democracy | 978-0-318-15078-9 (0-318-15078-6) | 1978 |
| Workplace democracy: A guide to workplace ownership, participation & self-management experiments in the United States & Europe | 978-0-06-090733-4 (0-06-090733-9) | 1980 |