| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Crowdsourcing Geographic Knowledge: Volunteered Geographic Information in Theory and Practice | Hardcover | 978-94-007-4586-5 (94-007-4586-9) | 2012 | Daniel Sui · Michael Goodchild |
| Qualitative GIS: A Mixed Methods Approach | " | 978-1-4129-4565-3 (1-4129-4565-8) | 2009 | Meghan Cope |
| Qualitative GIS: A Mixed Methods Approach | Paperback | 978-1-4129-4566-0 (1-4129-4566-6) | 2009 | " |