| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Perspectives on Activity Theory | Hardcover | 978-0-521-43127-9 (0-521-43127-1) | 1999 | Yrjö Engeström · Raija-Leena Punamäki |
| Perspectives on Activity Theory | Paperback | 978-0-521-43730-1 (0-521-43730-X) | 1999 | |