Enlace:http://ecsa.citizen-science.net/sites/ecsa.citizen-science.net/files/ECSA_Ten_principles_of_citizen_science.pdf#
Wayback Machine:https://web.archive.org/web/*/http://ecsa.citizen-science.net/sites/ecsa.citizen-science.net/files/ECSA_Ten_principles_of_citizen_science.pdf#